CN103547417B - Electric razor - Google Patents

Abstract

Electric razor (1) comprising: outer cutter (90); Interior cutter, it is arranged on the inner side of this outer cutter, and can carry out double action work relative to this outer cutter; The main body (10) of elongate, it is configured with outer cutter and interior cutter; And drive source, it is arranged in this main body, and does for making interior cutter carry out double action relative to outer cutter.The length direction that outer cutter (90) and interior cutter are configured to this outer cutter and interior cutter is corresponding with the axis direction (ZA) of main body (10).In addition, interior cutter to live again direction of action corresponding with the axis direction of main body.

Description

Electric razor

Technical field

The present invention relates to a kind of electric razor.

Background technology

As in a kind of reciprocating-type electric shaver of electric razor, the reciprocating motion based on actuator makes a blade of a pair blade carry out reciprocating action relative to another blade, thus shaves off hair.

Patent Document 1 discloses a kind of electric razor shaved, this electric razor shaved has the outer cutter of the end being arranged on shell and carries out cutter block in reciprocating action in the inner side of this outer cutter.

Patent Document 2 discloses a kind of electric razor, this electric razor utilize the dead knife of chasing tool shape and the chasing tool shape that carries out relative to dead knife reciprocatingly sliding can cut eyebrow etc. by moving knife.

Patent document 1: Japanese Laid-Open Patent Publication 63-5789 publication

Patent document 2: Japanese Unexamined Patent Publication 10-151286 publication

Summary of the invention

the problem that invention will solve

In electric razor disclosed in patent document 1, outer cutter and interior cutter block are set along the direction orthogonal with the length direction of shell.Thus, when shell be box like or lever shape, the shape formed by shell, outer cutter and interior cutter block is T-shaped.Thus, have electric razor miniaturized in there is the such problem of the limit.

On the other hand, disclosed in patent document 2, the electric razor of electric razor and patent document 1 is in a ratio of small-sized.But, due to dead knife and can moving knife be chasing tool shape, therefore when utilizing this electric razor to scrape to shave the beard, needing to make dead knife and can the front-end edge of moving knife only slide along a direction along skin surface, but also needing the abutment of looking to skin.Therefore, it is elongated beard have been shaved the required time.

In addition, when the electric razor of patent document 2, if do not make dead knife and can slide with the state of horizontally-inclined by moving knife, just can not scrape and shave the beard, and constructively, the sword of dead knife is thick, therefore beard can not be shaved such as with the electric razor of first technical literature 1 identical complete time length short like that.

In addition, electric razor disclosed in patent document 2 is for the treatment of the chaeta different from beard originally, therefore when this electric razor have to be used to shave, when concavo-convex, the par that make this electric razor along long bearded skin continue to carry out shaving, the top of the dead knife of chasing tool shape is absorbed in skin sometimes and injures skin.

In addition, when making this electric razor move along skin, if there is shorter beard, then for the dead knife of chasing tool shape, this shorter beard becomes larger resistance, and successfully can not scrape and shave the beard.

As mentioned above, electric razor intended use disclosed in patent document 2 is just different, therefore, does not possess the function as shaving apparatus, is unsuitable for scraping shaving the beard.

The invention provides and a kind ofly the blade carrying out reciprocating action can be utilized to scrape efficiently shave the beard, and can the electric razor of miniaturization of realization body.

for the scheme of dealing with problems

The electric razor of the first technical scheme of the present invention has: outer cutter; Interior cutter, it is arranged on the inner side of above-mentioned outer cutter, and can carry out reciprocating action relative to this outer cutter; The main body of elongate, it is configured with above-mentioned outer cutter and above-mentioned interior cutter; Drive source, it is arranged in aforementioned body, and for making above-mentioned interior cutter carry out reciprocating action relative to above-mentioned outer cutter; It is corresponding with the length direction of this interior cutter and the axis direction of aforementioned body that above-mentioned outer cutter and above-mentioned interior cutter are configured to this outer cutter, and the reciprocating action direction of above-mentioned interior cutter is corresponding with the axis direction of aforementioned body.

The electric razor of the second technical scheme of the present invention has: the housing of tubular: drive source, and it is accommodated in above-mentioned housing; Switching mechanism, the rotation of above-mentioned drive source is converted to linear reciprocating motion by it; Can moving knife, itself and above-mentioned switching mechanism interlock and carry out linear reciprocating motion; Above-mentioned switching mechanism above-mentionedly can the linkage of linear reciprocating motion of moving knife to be formed by the rotation of above-mentioned drive source being converted to.

The electric razor of the 3rd technical scheme of the present invention has the interior cutter and outer cutter that carry out relative linear reciprocating motion, above-mentioned outer cutter is the slit cutter with multiple slit and multiple cutter portion, be longitudinally by the direction setting of above-mentioned linear reciprocating motion, the size of each cutter portion in above-mentioned longitudinal direction is set as that cutter is wide, the size of each slit in above-mentioned longitudinal direction is set as slit width, above-mentioned slit width is wider than above-mentioned cutter little, above-mentioned multiple cutter portion has respectively: two cutter ends, when overlooking above-mentioned outer cutter, these two cutter ends are in the both sides that are positioned laterally at above-mentioned cutter portion orthogonal with above-mentioned longitudinal direction, cutter pars intermedia, they are between above-mentioned two cutter ends, above-mentioned cutter pars intermedia has rectilinear form.

The electric razor of the 4th technical scheme of the present invention has: interior cutter and outer cutter, and they carry out relative linear reciprocating motion; Outer cutter maintaining part, it keeps above-mentioned outer cutter; Cutter block, it supports above-mentioned outer cutter maintaining part; Main body, it supports above-mentioned cutter block; Finger abuts structure, and it is arranged at least one in above-mentioned outer cutter maintaining part and aforementioned body; Aforementioned body can be combined with each other and be separated with above-mentioned cutter block; Be longitudinally by the direction setting of above-mentioned linear reciprocating motion, during by direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for transverse direction, when overlooking above-mentioned outer cutter, the length direction of aforementioned body and above-mentioned vertical consistency; Above-mentioned finger abuts structure installation in above-mentioned transversely adjacent with above-mentioned outer cutter position.

The electric razor of the 5th technical scheme of the present invention has: interior cutter and outer cutter, and they carry out relative linear reciprocating motion; Outer cutter maintaining part, it keeps above-mentioned outer cutter; Above-mentioned outer cutter maintaining part comprises: two ends, and they are facing in the longitudinal direction in the direction as above-mentioned linear reciprocating motion; Through hole, it runs through at least one party end in above-mentioned two ends in above-mentioned longitudinal direction, and for the hair of the inside being directed to above-mentioned outer cutter maintaining part is discharged to the outside.

The electric razor of the 6th technical scheme of the present invention has: outer cutter, and it has multiple slit; Outer cutter maintaining part, it keeps above-mentioned outer cutter; Interior cutter, it carries out linear reciprocating motion relative to above-mentioned outer cutter; Spring, above-mentioned interior cutter is pushed on above-mentioned outer cutter by it; Above-mentioned outer cutter maintaining part has the 1st wall portion and the 2nd wall portion at the both ends of the longitudinal direction in the direction as above-mentioned linear reciprocating motion; Above-mentioned outer cutter is fixed on above-mentioned 1st wall portion and above-mentioned 2nd wall portion; Above-mentioned 1st wall portion comprises: the 1st outer cutter fixed part, and it contacts with above-mentioned outer cutter and fixing above-mentioned outer cutter; 1st spring compartment, along with the linear reciprocating motion of above-mentioned interior cutter, above-mentioned spring enters the 1st spring compartment; Above-mentioned 2nd wall portion comprises: the 2nd outer cutter fixed part, and it contacts with above-mentioned outer cutter and fixing above-mentioned outer cutter; 2nd spring compartment, along with the linear reciprocating motion of above-mentioned interior cutter, above-mentioned spring enters the 2nd spring compartment; Above-mentioned 1st spring compartment has the size that above-mentioned spring can be made to enter into be positioned in above-mentioned longitudinal direction than above-mentioned 1st outer cutter fixed part position in the outer part; Above-mentioned 2nd spring compartment has the size that above-mentioned spring can be made to enter into be positioned in above-mentioned longitudinal direction than above-mentioned 2nd outer cutter fixed part position in the outer part.

The electric razor of the 7th technical scheme of the present invention has: interior cutter; Outer cutter, it comprises multiple slit and multiple cutter portion, and this outer cutter carries out linear reciprocating motion relative to above-mentioned interior cutter; Main body, its above-mentioned interior cutter of supporting and above-mentioned outer cutter; Guide portion, it is arranged at aforementioned body, for hair being directed to the slit of above-mentioned outer cutter; When overlooking above-mentioned outer cutter, length direction and the vertical consistency as the direction of above-mentioned linear reciprocating motion of aforementioned body; Guide sections comprises with above-mentioned outer cutter adjacently along the above-mentioned multiple units guide portion longitudinally configured.

The electric razor of the 8th technical scheme of the present invention has: outer cutter; Interior cutter, it carries out linear reciprocating motion relative to above-mentioned outer cutter; Main body, its above-mentioned interior cutter of supporting and above-mentioned outer cutter; Spring, above-mentioned interior cutter is pushed on above-mentioned outer cutter by it; Drive source, it produces driving force; Transfer part, the driving force of above-mentioned drive source is delivered to above-mentioned interior cutter and makes above-mentioned interior cutter carry out linear reciprocating motion by it; When overlooking above-mentioned outer cutter, length direction and the vertical consistency as the direction of the above-mentioned linear reciprocating motion of above-mentioned interior cutter of aforementioned body; Above-mentioned interior cutter comprises the linking part be connected with above-mentioned transfer part; The mid portion of above-mentioned bond sites in the above-mentioned longitudinal direction of above-mentioned interior cutter.

The electric razor of the 9th technical scheme of the present invention has: dead knife; Can moving knife, it carries out linear reciprocating motion relative to above-mentioned dead knife; Drive source, it produces driving force; Main body, its support above-mentioned drive source, above-mentioned dead knife and above-mentioned can moving knife; Transmission mechanism portion, its driving force of above-mentioned drive source is delivered to above-mentioned can moving knife and make this can carry out linear reciprocating motion by moving knife; Divide component, it is connected with above-mentioned transmission mechanism portion; When overlooking above-mentioned dead knife, the length direction of aforementioned body with as above-mentioned can the vertical consistency in direction of linear reciprocating motion of moving knife; Above-mentioned division component comprises at least one in tip side protuberance and base end side protuberance, this tip side protuberance is outstanding along the top orientation of going to above-mentioned movable cutter from above-mentioned drive source, and this base end side protuberance upwards can be stated the proximal direction that drive source goes and give prominence to by moving knife along from above-mentioned.

The electric razor of the tenth technical scheme of the present invention has: dead knife; Can moving knife, it carries out linear reciprocating motion relative to above-mentioned dead knife; Drive source, its for drive above-mentioned can moving knife; Main body, its support above-mentioned drive source, above-mentioned dead knife and above-mentioned can moving knife; Divide component, its by the spatial division in aforementioned body be above-mentioned drive source place base end side space and above-mentioned can the tip side space at moving knife place; Aforementioned body comprise the handle part that supports above-mentioned drive source and the above-mentioned dead knife of supporting and above-mentioned can the head of moving knife; When overlooking above-mentioned dead knife, the length direction of aforementioned body with as above-mentioned can the vertical consistency in direction of linear reciprocating motion of moving knife; Above-mentioned division Components installation is in above-mentioned handle part.

The electric razor of the 11 technical scheme of the present invention has: dead knife; Can moving knife, it carries out linear reciprocating motion relative to above-mentioned dead knife; Dead knife maintaining part, it supports above-mentioned dead knife; Above-mentioned dead knife has multiple portions and is formed in the slit between adjacent above-mentioned bar portion; By above-mentioned can the direction setting of linear reciprocating motion of moving knife be longitudinally; By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned dead knife for horizontal; Be depth direction by the direction setting with above-mentioned longitudinal direction and above-mentioned quadrature transverse; Above-mentioned multiple portions comprise the less thinner wall section of thickness on the larger heavy section of thickness on above-mentioned depth direction and above-mentioned depth direction respectively; Above-mentioned dead knife maintaining part has the reverse side support in above-mentioned multiple the portions of reverse side supporting from above-mentioned depth direction; Above-mentioned reverse side support supports above-mentioned heavy section.

Accompanying drawing explanation

Fig. 1 (a) is the stereogram of the structure of the state after apparatus main body unloads cap of the electric razor representing an embodiment, and Fig. 1 (b) is the stereogram of the structure representing state cap being installed on apparatus main body.

Fig. 2 (a) is the side view of the structure of the electric razor representing an embodiment, and Fig. 2 (b) is the sectional view of the structure of the electric razor representing Fig. 2 (a).

Fig. 3 is the exploded perspective view of the structure of the apparatus main body of the electric razor representing an embodiment.

Fig. 4 (a), Fig. 4 (b) are the amplification views of the local structure of the apparatus main body of the electric razor representing an embodiment.

Fig. 5 is the exploded perspective view of the structure of the head of the electric razor representing an embodiment.

Fig. 6 is the exploded perspective view of the exploded perspective structure of the cutter block of the electric razor representing an embodiment.

Fig. 7 (a) is the front view of the structure of the dead knife of the electric razor representing an embodiment, Fig. 7 (b) is the top view of the dead knife of Fig. 7 (a), Fig. 7 (c) is the sectional view of the cross-sectional configuration of the DA-DA line represented along Fig. 7 (a), and Fig. 7 (d) is the amplification plan view of the part of the region RA representing Fig. 7 (b).

Fig. 8 (a) is the front view of the structure of the dead knife maintaining part of the electric razor representing an embodiment, Fig. 8 (b) is the top view of the dead knife maintaining part of Fig. 8 (a), Fig. 8 (c) is the side view of structure when representing the dead knife maintaining part of observing Fig. 8 (b) from arrow A C direction, Fig. 8 (d) is the side view of structure when representing the dead knife maintaining part of observing Fig. 8 (b) from arrow A D direction, and Fig. 8 (e) is the sectional view of the cross-sectional configuration of the DB-DB line represented along Fig. 8 (b).

Fig. 9 (a) be the electric razor representing an embodiment can the front view of structure of moving knife, Fig. 9 (b) be Fig. 9 (a) can the top view of moving knife, Fig. 9 (c) be represent along Fig. 9 (b) can the sectional view of cross-sectional configuration of DC-DC line of moving knife.

Figure 10 (a) be the electric razor representing an embodiment can the front view of structure of moving knife maintaining part, Figure 10 (b) be Figure 10 (a) can the top view of moving knife maintaining part, Figure 10 (c) is the sectional view of the cross-sectional configuration of the DD-DD line of the dead knife maintaining part represented along Figure 10 (a).

Figure 11 (a), Figure 11 (b) are the front views representing state dead knife being installed on dead knife maintaining part in the electric razor of an embodiment, Figure 11 (c) is the sectional view of the cross-sectional configuration of the DE-DE line represented along Figure 11 (b), and Figure 11 (d) is the amplification view of the local representing Figure 11 (c).

Figure 12 (a), Figure 12 (b) be to represent in the electric razor of an embodiment can moving knife be installed on can the front view of state of moving knife maintaining part.

Figure 13 is the stereogram of the structure of the cutter block of the electric razor representing an embodiment.

Figure 14 (a) is the top view of the structure of the cutter block of the electric razor representing an embodiment, Figure 14 (b) is the sectional view of the cross-sectional configuration of the DF-DF line represented along Figure 14 (a), and Figure 14 (c) is the amplification view of the local representing Figure 14 (b).

Figure 15 (a) is the stereogram of the structure of the head of the electric razor representing an embodiment, and Figure 15 (b) is the top view of the structure of the head representing Figure 15 (a).

Figure 16 (a) is the local of the apparatus main body of the electric razor representing an embodiment and the amplification view of head, and Figure 16 (b) is the front view of the structure of the head connecting rod representing the head being arranged at Figure 16 (a).

Figure 17 (a) is the sectional view of the cross-sectional configuration of the state having represented in the electric razor of Figure 16 (a) from prosiopesis cutter block, Figure 17 (b) is the top view of the relation under the state schematically showing Figure 17 (a) between drive unit and switching mechanism in ZB-ZC plane, Figure 17 (c) is the sectional view of the cross-sectional configuration of the state of output shaft after the state of Figure 17 (a) have rotated 90 ° at electro-motor representing electric razor, Figure 17 (d) is the top view of the relation under the state schematically showing Figure 17 (c) between drive unit and switching mechanism in ZB-ZC plane.

Figure 18 (a) is the sectional view of the cross-sectional configuration of the state of output shaft after the state of Figure 17 (c) have rotated 90 ° at electro-motor representing electric razor, Figure 18 (b) is the top view of the relation under the state schematically showing Figure 18 (a) between drive unit and switching mechanism in ZB-ZC plane, Figure 18 (c) is the sectional view of the cross-sectional configuration of the state of output shaft after the state of Figure 18 (a) have rotated 90 ° at electro-motor representing electric razor, Figure 18 (d) is the top view of the relation under the state schematically showing Figure 18 (c) between drive unit and switching mechanism in ZB-ZC plane.

Figure 19 (a) be schematically show an embodiment electric razor when cutter relative position is positioned at neutral position along the partial sectional view of the cross-sectional configuration of the DG-DG line of Figure 14 (a), Figure 19 (b) schematically shows cutter relative position to be positioned at the maximum partial sectional view along the cross-sectional configuration of the DG-DG line of Figure 14 (a) when pushing away side position, and Figure 19 (c) schematically shows cutter relative position to be positioned at the maximum partial sectional view along the cross-sectional configuration of the DG-DG line of Figure 14 (a) when drawing side position.

Figure 20 (a) represents the stereogram to the structure before apparatus main body securement head in the electric razor of an embodiment, and Figure 20 (b) represents stereogram head being installed on the structure after apparatus main body.

Figure 21 (a) is the 3rd connecting rod of the switching mechanism of the electric razor representing an embodiment and the partial sectional view of head, and Figure 21 (b) is the sectional view of the cross-sectional configuration of the DH-DH line represented along Figure 21 (a).

Figure 22 (a) represents that head has carried out the partial sectional view of postrotational state from the state of Figure 21 (a), and Figure 22 (b) is the sectional view of the cross-sectional configuration of the DI-DI line represented along Figure 22 (a).

Figure 23 (a) represents that head has carried out the partial sectional view of postrotational state from the state of Figure 22 (a), and Figure 23 (b) is the sectional view of the cross-sectional configuration of the DJ-DJ line represented along Figure 23 (a).

Figure 24 (a) represents that head has carried out the partial sectional view of postrotational state from the state of Figure 23 (a), and Figure 24 (b) is the sectional view of the cross-sectional configuration of DK-DK line along Figure 24 (a).

Figure 25 (a) represents that head has carried out the partial sectional view of postrotational state from the state of Figure 24 (a), and Figure 25 (b) is the sectional view of the cross-sectional configuration of the DL-DL line represented along Figure 25 (a).

Figure 26 (a) ~ Figure 26 (c) represents the action diagram utilizing the electric razor of an embodiment to scrape the action of outer cutter block when shaving the beard.

Figure 27 (a) ~ Figure 27 (c) represents that the action diagram of the action of outer cutter block when shaving the beard scraped by common electric razor that utilization does not have a comb shape portion.

Figure 28 is the exploded perspective view of the structure of the cutter block of the electric razor representing variation.

Figure 29 is the partial sectional view of the structure of the outer cutter of the electric razor representing variation.

Figure 30 is the partial sectional view of the structure of the outer cutter of the electric razor representing variation.

Figure 31 (a) is the top view of the structure representing the state to have unloaded housing in common electric razor after, and Figure 31 (b) is the stereogram of the structure of the switching mechanism schematically showing the electric razor being arranged at Figure 31 (a).

Figure 32 is the sectional view representing general structure face gear (Japanese: フ ェ ー ス ギ ヤ) mechanism being used as the electric razor of the variation of switching mechanism.

Detailed description of the invention

Below, the structure of electric razor 1 is described with reference to Fig. 1.

As shown in Fig. 1 (a), electric razor 1 has the apparatus main body 10 held for user, the cutter block 60 for shaving chaeta being installed on the head 50 of apparatus main body 10 and the cap 200 for the protection of cutter block 60.Cutter block 60 only has 1 dead knife 90.In addition, dead knife 90 is examples for outer cutter.Apparatus main body 10 has elongated drum.In addition, when by cap 200 assembly in apparatus main body 10 time, apparatus main body 10 and cap 200 are formed as outer peripheral face continuous print pole shape.

As shown in Fig. 1 (b), cap 200 has the structure that can be installed on apparatus main body 10 and unload from apparatus main body 10.In addition, under the state that cap 200 is installed on apparatus main body 10, cap 200 covers whole head 50.

Here, all directions of definition device main body 10 as follows.In addition, axis direction ZA is equivalent to " length direction of main body ".

(A) the horizontal ZB of main body is defined as main depending on direction orthogonal with axis direction ZA under state.

(B) direction orthogonal with axis direction ZA and the horizontal ZB of main body is defined as subject depth direction ZC.

(C) by axis direction ZA be defined as from main body 10 to the direction that head 50 goes top ZA1.

(D) by axis direction ZA be defined as from head 50 to the direction that apparatus main body 10 goes below ZA2.

(E) direction rearwardly gone from the front of main body 10 of subject depth direction ZC is defined as rear ZC2.

(F) direction gone to front from the back side of main body 10 of subject depth direction ZC is defined as front ZC1.

The structure of apparatus main body 10 is described with reference to Fig. 2.

As shown in Fig. 2 (a), apparatus main body 10 has the step part contacted with the end face of the cap 200 of Fig. 1 at the mid portion of axis direction ZA.The length of apparatus main body 10 on axis direction ZA is longer than the length of head 50 on axis direction ZA.

As shown in Fig. 2 (b), apparatus main body 10 has: body shell 10A, and it has the principal space RA for accommodating various part; Secondary cell 17, it is as the power supply of electric razor 1; Drive unit 20, it can moving knife 100 (with reference to Fig. 6) for what drive cutter block 60; And head 50, cutter block 60 is embedded in this head 50.In addition, apparatus main body 10 also has: switching mechanism 30, and the rotation of the electro-motor 21 (drive source) of drive unit 20 is converted to linear reciprocating motion and this linear reciprocating motion is delivered to head 50 by it; And Wiring member 40, secondary cell 17 and drive unit 20 are electrically connected by it.In addition, apparatus main body 10 also has: dust protection rubber 16, and it is for suppressing the inside of foreign body from entering main body 10; And power switch 18, it is for switching the driving of drive unit 20 and stopping.In addition, body shell 10A is set to handle part.Can moving knife 100 be interior cutter one example.

Head 50 is given prominence in the mode that ZA1 extends upward in apparatus main body 10.In addition, head 50 is formed as rectangular-shaped with the diameter less than the diameter of apparatus main body 10.Head 50 has: head shell 50A, and it is for collecting and support various part; And disengage button 55, its cutter block 60 for the front by being fixed on head shell 50A unloads from head shell 50A.In addition, head 50 also has: relaying component 54, and it utilizes the power passed over from switching mechanism 30 to carry out linear reciprocating motion; And head connecting rod 53, the power passed over from relaying component 54 is delivered to cutter block 60 by it.Relaying component 54 and head connecting rod 53 are positioned at the inside of head shell 50A.

Dust protection rubber 16 is embedded in the groove portion 12A of the inner surface being formed at the 2nd housing 12.Principal space RA in apparatus main body 10 is divided into the below base end side space RB of ZA2 side and the tip side space RC of ZA1 side, top by dust protection rubber 16.That is, dust protection rubber 16 also plays function as dividing component.Base end side space RB contains electro-motor 21.In addition, tip side space RC contains a part for cutter block 60.

The detailed construction of apparatus main body 10 is described with reference to Fig. 3.

Apparatus main body 10, except having drive unit 20 grade, also has the contact accessory 19 for switching the disconnection of the electrical connection between secondary cell 17 and drive unit 20 and electrical connection.

Power switch 18 has: operating portion 18A, and it is by user operation; Mounting portion 18B, contact accessory 19 is installed on this mounting portion 18B; Operating surface 18C, it is positioned at the outside of body shell 10A; And striking (Japanese: Network リ ッ Network) part 18D, it can bring striking sense to user when operating power switch 18.Power switch 18 is arranged in the front portion of apparatus main body 10.

Secondary cell 17 is housed in ZA2 side, below in principal space RA.Electro-motor 21 is housed in secondary cell 17 adjoining position and is the position than secondary cell 17 ZA1 side by the top in principal space RA.

Power switch 18 is supported to can slides along the axis direction ZA of apparatus main body 10 at the central portion of the axis direction ZA of apparatus main body 10.Power switch 18, by sliding, starts or stops the power supply to electro-motor 21.According to power switch 18, the state of electro-motor 21 can be switched to any one state in duty and halted state.That is, the state of drive unit 20 carries out according to the position of power switch 18 driving or stop to drive.

Body shell 10A, except having the 1st housing 11, the 2nd housing 12 and the 3rd housing 13, also has the top ring 14 for the 1st housing 11 and the 2nd housing 12 being fixed to one another and below ring 15.

Drive unit 20 comprising the electro-motor 21 with output shaft 22, the rotating member 23 with the axis coaxial with output shaft 22, having relative to the eccentric shaft 24 of the center line of rotating member 23 bias and the roller 25 for the rotation of drive unit 20 being delivered to switching mechanism 30.Rotating member 23 is fixed on output shaft 22.Eccentric shaft 24 is fixed on rotating member 23.Roller 25 is supported by eccentric shaft 24 with the state that can rotate relative to eccentric shaft 24.

The center line of eccentric shaft 24 is parallel with the direction of the center line of output shaft 22.In addition, when the operating surface 18C of power switch 18 being used as the imaginary plane along axis direction ZA and the horizontal ZB of main body, the center line of eccentric shaft 24 is parallel with this imaginary plane.

Switching mechanism 30 comprises 3 connecting rods rotation of output shaft 22 being converted to the rectilinear motion of axis direction ZA, that is, comprise the 1st connecting rod 31, the 2nd connecting rod 32 and the 3rd connecting rod 33.1st connecting rod 31 supports with the mode support shaft 34 that can rotate.

1st connecting rod 31 have can rotate around bolster 34 rotating shaft 31C, the importation 31D for supporting rollern 25, the 1st arm 31A that importation 31D and rotating shaft 31C is joined to one another and the spin rotating shaft 31C 2nd arm 31B outstanding to the 2nd connecting rod 32 side.The state support roller 25 that importation 31D contacts with the outer peripheral face of roller 25 with inner circumferential surface.In addition, rotating shaft 31C is an example of the 1st connecting rod 31 " mid portion ", and the 2nd arm 31B is an example of the 1st connecting rod 31 " output ".In addition, roller 25 and importation 31D form " direction of transfer limiting mechanism ".

The part that rotating shaft 31C, importation 31D, the 1st arm 31A are formed as one by identical resin material with the 2nd arm 31B.1st arm 31A and the 2nd arm 31B gives prominence to along different directions from each other in the circumference of rotating shaft 31C.Rotating shaft 31C is supported by bolster 34 with the state that can rotate relative to bolster 34.The direction of the center line of bolster 34 is orthogonal with the direction of the center line of eccentric shaft 24.

When the viewed in plan in the face of being made up of axis direction ZA and subject depth direction ZC, the 2nd connecting rod 32 has the shape of rhombus.The input end 32A of the 2nd connecting rod 32 is connected with the 2nd arm 31B with the state that can rotate relative to the 2nd arm 31B.The output end 32B of the 2nd connecting rod 32 is connected with the 3rd connecting rod 33 with the state that can rotate relative to the 3rd connecting rod 33.

3rd connecting rod 33 has pitman shaft 33B that supporting protuberance 33D, in the axial direction ZA extend, for being fixed on the fixed head 33A of the head 50 of Fig. 5 and the outstanding ring 33C for fixing dust protection rubber 16.Fixed head 33A is formed at the end of the ZA1 side, top of pitman shaft 33B.Outstanding ring 33C and supporting protuberance 33D is formed at the mid portion of the axis direction ZA of pitman shaft 33B.

1st housing 11 has for the axle standing part 11A of fixed-bearing axis 34, for guiding the axle leader 11B of the movement of the 3rd the connecting rod 33 and supporting part 11C for supporting the 3rd connecting rod 33.In addition, axle leader 11B is an example of " leader moving direction of the 3rd connecting rod being restricted to a direction ".

The motor accessory 43 that Wiring member 40 has the anode accessory 41 be connected with the anode of secondary cell 17, the negative electrode accessory 42 be connected with the negative electrode of secondary cell 17 and is connected with electro-motor 21.In addition, Wiring member 40 also has the circuit substrate 45 be electrically connected to each other by the accessory of correspondence and the substrate accessory 44 be electrically connected with circuit substrate 45.Circuit substrate 45 has current insurance silk 46, and when electro-motor 21 is short-circuited, this current insurance silk 46 can cut off the electrical connection between electro-motor 21 and secondary cell 17.Anode accessory 41, negative electrode accessory 42, motor accessory 43, circuit substrate 45 and substrate accessory 44 are fixed on the 1st housing 11.

Anode accessory 41 is electrically connected with electro-motor 21.Negative electrode accessory 42 is electrically connected with circuit substrate 45.The contact accessory 19 of power switch 18 is connected with substrate accessory 44 with motor accessory 43.

Like this, Wiring member 40 forms the circuit that circuit is flowed successively in the negative electrode of the anode of secondary cell 17, anode accessory 41, electro-motor 21, motor accessory 43, contact accessory 19, substrate accessory 44, circuit substrate 45, negative electrode accessory 42 and secondary cell 17.

Next, the structure of dust protection rubber 16 is described with reference to Fig. 4.

As shown in Fig. 4 (a), dust protection rubber 16 has central portion 16A, be formed in peripheral part 16B than central portion 16A the position in the outer part and edge 16C that is formed in than peripheral part 16B position in the outer part.In addition, dust protection rubber 16 has the through hole 16P running through central portion 16A.Central portion 16A is the middle body of dust protection rubber 16 on the horizontal ZB and subject depth direction ZC of main body, and ZA1 side is given prominence to the most upward.Peripheral part 16B has the shape that ZA1 side is outstanding upward along with going laterally.In other words, peripheral part 16B also can be called the part that ZA2 side is outstanding downwards.The size of edge 16C on axis direction ZA than central portion 16A and the size of peripheral part 16B on axis direction ZA large.The position of ZA1 side by the top, the end that the end of the ZA1 side, top of edge 16C is arranged in the ZA1 side, top of the part connected with edge 16C than peripheral part 16B.In addition, in the present embodiment, central portion 16A is an example of " tip side protuberance ".

Next, the relation of dust protection rubber 16 and other components is described.

Edge 16C is embedded in the groove portion 12A of the 2nd housing 12.The pitman shaft 33B of the 3rd connecting rod 33 is inserted in through hole 16P.The end of the inner side of central portion 16A is embedded between the outstanding ring 33C of the 3rd connecting rod 33 and supporting protuberance 33D.That is, dust protection rubber 16 is fixed on the 2nd housing 12 and the 3rd connecting rod 33.

Next, the detailed construction of head 50 is described with reference to Fig. 5.

Head 50, except having head shell 50A, also has the relaying component 54 be connected with the 3rd connecting rod 33 of the switching mechanism 30 of Fig. 3 and the head connecting rod 53 be connected with relaying component 54.In addition, head 50 also has for the cutter block patchhole 50X of cutter block 60 insertion and the disengage button 55 for unloading cutter block 60 from head shell 50A.

Cutter block patchhole 50X and disengage button 55 are positioned at the front of head 50.Disengage button 55 is positioned near the end of the ZA2 side, below of cutter block patchhole 50X on axis direction ZA.Disengage button 55 is supported with the state can slided on the axis direction ZA of apparatus main body 10.

Head shell 50A has two housings, that is, have the 1st housing 51 and the 2nd housing 52.1st housing 51 have can be inserted in the 1st housing 11 insertion portion 51A, for the connecting rod leader 51B of the movement of guiding head connecting rod 53 with for guiding the relaying leader 51C of the movement of relaying component 54.In addition, the 1st housing 51 also has cutter block insertion portion 51X, is formed at the recess 51Y of the part adjacent with cutter block insertion portion 51X (with reference to Fig. 1) and the rib 51L for the installation direction that limits cutter block 60.2nd housing 52 has cutter block insertion portion 52X and is formed at the recess 52Y of the part adjacent with cutter block insertion portion 52X.Cutter block insertion portion 51X and cutter block insertion portion 52X forms cutter block patchhole 50X.

As shown in Figure 5, insertion portion 51A has the guiding groove 51D of the movement guiding relaying component 54 on axis direction ZA.Relaying leader 51C has across a pair facing wall of gap.Connecting rod leader 51B has across a pair facing wall of gap.The forming position of connecting rod leader 51B along with the below ZA2 from axis direction ZA upward ZA1 go and from the front ZC1 of subject depth direction ZC rearward ZC2 tilt.2nd housing 52, in the corresponding position of the connecting rod leader 51B with the 1st housing 51, has and the connecting rod leader of connecting rod leader 51B same shape (omit and illustrate).

Relaying component 54 have be connected with head connecting rod 53 coupling part 54A, guide the standing part 54C of the fixed head 33A of the 3rd connecting rod 33 of the leader 54B of the tip portion of the 3rd connecting rod 33, fixing Fig. 3 and be embedded in a pair projection 54D of each guiding groove 51D.

Head connecting rod 53 has a pair projection 53C of the relay connection part 53A be connected with the coupling part 54A of relaying component 54, the cutter coupling part 53B be connected with cutter block 60 and movement in connecting rod leader 51B.

Relay connection part 53A is connected with coupling part 54A with the state that can rotate relative to relaying component 54.Cutter coupling part 53B is connected with cutter block 60 with the state that can not rotate relative to cutter block 60.

Next, the detailed construction of cutter block 60 is described with reference to Fig. 6.

Here, all directions of cutter block 60 are defined as follows.

(A) longitudinal WA can be defined as relative to the moving direction of dead knife 90 by moving knife 100.

(B) direction orthogonal with longitudinal WA under the state of overlooking is defined as horizontal WB.

(C) direction orthogonal with longitudinal WA and horizontal WB is defined as depth direction WC.

(D) being defined as from the direction that body shell 10A side direction tip side is gone of longitudinal WA is pushed away side WA1.

(E) being defined as from tip side to the direction that body shell 10A side is gone of longitudinal WA is drawn side WA2.

(F) by depth direction WC from being defined as face side WC1 in the direction gone to shaving face 90A of the linking part 82 of moving knife maintaining part 80.

(G) by depth direction WC from shaving face 90A to being defined as reverse side WC2 in the direction gone of the linking part 82 of moving knife maintaining part 80.

When overlooking cutter block 60, longitudinal WA is consistent with axis direction ZA.In addition, as shown in Figure 2, the extended line E2 of the extended line of the outer surface of the ZC1 side, front of head 50 and the shaving face 90A of dead knife 90 tilts with angle X relative to the extended line E1 of the outer surface of the ZC1 side, front of apparatus main body 10.That is, in the plane along axis direction ZA and subject depth direction ZC, the inclination angle that longitudinal WA becomes to specify with axis direction ZA.Angle X is such as set as 10 degree.

Cutter block 60 have dead knife 90 and relative to dead knife 90 carry out linear reciprocating motion can moving knife 100.In addition, cutter block 60 also has a side WC2 supporting and fixing cutter 90 from the negative dead knife maintaining part 70, from the negative side WC2 support can moving knife 100 can moving knife maintaining part 80 and two across can moving knife maintaining part 80 push to dead knife 90 can the spring 61 of moving knife 100.Dead knife 90 is formed as the inner space that chaeta can be guided to dead knife maintaining part 70.In addition, dead knife maintaining part 70 be outer cutter maintaining part one example, can moving knife maintaining part 80 be interior cutter maintaining part one example.

By 4 dead knife fixed part 74A melting of the outer surface by being formed at dead knife maintaining part 70, dead knife 90 and dead knife maintaining part 70 are fixed to one another.In addition, by by be formed at can 4 of outer surface of moving knife maintaining part 80 can moving knife fixed part 85 melting, can moving knife 100 and can moving knife maintaining part 80 being fixed to one another.In addition, Fig. 6 represent each dead knife fixed part 74A and the melting of Ge Ke moving knife fixed part 85 before state.

Can moving knife 100 and can moving knife maintaining part 80 combination can relative to the combination of dead knife 90 and dead knife maintaining part 70 longitudinally WA move.Can moving knife 100 and can the combination of moving knife maintaining part 80 move relative to dead knife 90 and dead knife maintaining part 70 time, each end winding support that spring 61 maintains spring 61 in dead knife maintaining part 70 with can the state of moving knife maintaining part 80 be out of shape on longitudinal WA.

Next, the detailed construction of dead knife 90 is described with reference to Fig. 7.

Dead knife 90 is formed by sheet metal bent is become U-shaped.The size ratio of dead knife 90 on horizontal WB can moving knife 100 (with reference to Fig. 6) size on horizontal WB large.

Dead knife 90 has: top 91, its transversely WB extend and form smooth shaving face 90A; Two dead knife sidewalls 92, they extend from a square end portion of the horizontal WB at top 91 and the opposing party end to reverse side WC2 respectively.In addition, dead knife 90 also has from top 91 throughout the multiple slits 93 formed to each dead knife sidewall 92.Each slit 93 transversely WB extends in parallel, and the two ends of each slit 93 close, and has the shape continuously to the other end from one end.At top 91, between adjacent slit 93, be formed with cutter portion 94.Top 91 is positioned at longitudinally WA and has support strip portion 91A than slit 93 position in the outer part at two ends.The width of support strip portion 91A on longitudinal WA is larger than the width of cutter portion 94 on longitudinal WA.The two ends in support strip portion 91A and cutter portion 94 are supported by dead knife sidewall 92.Cutter portion 94 and support strip portion 91A are vertically supported in dead knife sidewall 92 and the top 91 of dead knife 90.In addition, support strip portion 91A and cutter portion 94 are equivalent in " bar portion ".

As shown in Fig. 7 (a), dead knife sidewall 92 has the end pushing away WA1 side, side that is formed at dead knife sidewall 92 and draws two legs 95 of the end of WA2 side, side and be formed at the 1st location division 98 of pars intermedia of longitudinal WA of dead knife sidewall 92.Each leg 95 is equivalent to part the most outstanding to reverse side WC2 in dead knife sidewall 92.The fixed part 96 being formed as through hole that each leg 95 has the fractional open of this side of reverse side WC2 and the hook hook part 97 formed continuously with fixed part 96.In addition, dead knife 90 on horizontal WB with the dead knife sidewall 92 of dead knife sidewall 92 that side contrary shown in Fig. 7 (a), also there is the structure identical with the structure of the dead knife sidewall 92 described in detail above.

As shown in Fig. 7 (b), each cutter portion 94 at top 91 has formation two cutter end 94B at both ends of horizontal WB in cutter the portion 94 and cutter pars intermedia 94A between the cutter end 94B and the cutter end 94B of the opposing party of a side.The slit 93 at top 91 has two slit end 93B at the both ends forming horizontal WB and the slit pars intermedia 93A between the slit end 93B and the slit end 93B of the opposing party of a side.

As shown in Fig. 7 (c), cutter portion 94 is little at the thickness of each cutter end 94B at the Thickness Ratio of cutter pars intermedia 94A.Dead knife sidewall 92 have with top 91 continuous print arc sections 92A and with arc sections 92A continuously and the straight line wall portion 92B extended along depth direction WC.Arc sections 92A is formed throughout dead knife sidewall 92 and ground, top 91.As shown in Figure 6, the thickness of the thinner wall section 91B corresponding with cutter pars intermedia 94A in support strip portion 91A is equal with the thickness of cutter pars intermedia 94A.In addition, the thickness of the heavy section 91C corresponding with cutter end 94B in support strip portion 91A is equal with the thickness of cutter end 94B.

As shown in Fig. 7 (d), cutter end 94B has the rake 94C from the outside to horizontal WB and the wide minimum line part 94D of cutter that go the size of cutter portion 94 on longitudinal WA (hereinafter referred to as " cutter is wide ") to reduce gradually along with.Cutter pars intermedia 94A has rectilinear form.In addition, the cutter of cutter pars intermedia 94A wide (hereinafter referred to as " the wide BA of intermediate knife ") is overall constant.In addition, the cutter of line part 94D wide (hereinafter referred to as " the wide BD of end cutter ") is constant.

The wide BA of intermediate knife is larger than the slit pars intermedia 93A size on longitudinal WA (hereinafter referred to as " middle slit width S A ") corresponding with cutter pars intermedia 94A.Cutter wide BD in end is less than slit end 93 size on longitudinal WA (hereinafter referred to as " end slot width S D ") corresponding with line part 94D.End slot width S D is larger than middle slit width S A.

Next, the detailed construction of dead knife maintaining part 70 is described with reference to Fig. 8.In addition, Fig. 8 represent each dead knife fixed part 74A melting before state.

Dead knife maintaining part 70 has the standing part 73 of the framework 71 and fixing each spring 61 (with reference to Fig. 6) embedded for dead knife 90 (with reference to Fig. 6).The part that framework 71 is formed as one by identical resin material with standing part 73.

As shown in Fig. 8 (a), Fig. 8 (b), framework 71 has: two protuberance 71B, and they are arranged at the both ends of the horizontal WB of framework 71, outstanding to face side WC1; And two guide portion 72, they are arranged at the both ends of the horizontal WB of framework 71, for guiding hair to each slit 93.In addition, as shown in Fig. 8 (b), framework 71 also has the dead knife patchhole 71A embedded for dead knife 90.

Each protuberance 71B has planar portions 71C with the end of dead knife patchhole 71A that side contrary on horizontal WB.As shown in Fig. 8 (d), go along with from Inside To Outside, the end face of the face side WC1 side of the part except protuberance 71B at the both ends of the horizontal WB of framework 71 tilts from face side WC1 to reverse side WC2.

As shown in Fig. 8 (b), guide portion 72 comprises multiple comb shape portion 72A that longitudinally WA is configured at the framework 71 as base end part.Multiple comb shape portion 72A is outstanding to face side WC1 from framework 71 every the interval of regulation.Each comb shape portion 72A is the example guiding teat (or unit guide portion).

As shown in Fig. 8 (a), standing part 73 have the both ends being formed at longitudinal WA two wall portion 74 and with each wall portion 74 continuously and be formed at two legs 75 of the end of the reverse side WC2 side of dead knife maintaining part 70.As shown in Fig. 8 (b), standing part 73 to have in the inside of standing part 73 and two reverse side support 73As of from the negative side WC2 side bearing dead knife 90 outstanding to the inner side of longitudinal WA.Two heavy walls that each reverse side support 73A has both ends being formed at horizontal WB are in the face of portion 73B and be formed in the thin-wall face of each heavy wall between portion 73B to portion 73C.As shown in Fig. 8 (e), thin-wall face caves in reverse side WC2 in the face of portion 73B than heavy wall to portion 73C.

As shown in Fig. 8 (a), each wall portion 74 there is the end face that is formed in horizontal WB and be longitudinal WA both ends near two dead knife fixed part 74A and be formed in the hook 74B of the position adjacent with dead knife fixed part 74A.In addition, as shown in Fig. 8 (b), the framework 71 of dead knife maintaining part 70 has the end face that is formed at horizontal WB and is the 2nd location division 74C being formed at central portion on longitudinal WA.Dead knife fixed part 74A and hook 74B gives prominence to laterally on horizontal WB.Dead knife fixed part 74A and hook 74B is continuously formed.In addition, dead knife maintaining part 70 has lower surface protruding outside to horizontal WB to portion 74D in the end of reverse side WC2 side.In addition, dead knife maintaining part 70 on horizontal WB with the end face of the wall portion 74 of end face that side contrary of the wall portion 74 shown in Fig. 8 (a), also there is the symmetrical structure of structure with the wall portion 74 described in detail above.

Each leg 75 has the spring fixing portion 75A of the one end for fixing each spring 61 (with reference to Fig. 6).As shown in Fig. 8 (d), the leg 75 pushing away WA1 side, side has groove 75B, and this groove 75B is used for the direction of standard, cutter block 60 being installed on head 50 relative to head 50.As shown in Fig. 8 (c), the leg 75 of WA2 side, side is drawn not have groove 75B.Groove 75B is corresponding with the rib 51L (with reference to Fig. 5) of head 50.

As shown in Fig. 8 (a), the dead knife fixed part 74A pushing away WA1 side, side is formed in than the spring fixing portion 75A pushing away WA1 side, side by pushing away WA1 side, side and be the position by face side WC1 side.Draw the dead knife fixed part 74A of WA2 side, side to be formed in than drawing the spring fixing portion 75A of WA2 side, side by drawing WA2 side, side and be the position by face side WC1 side.

As shown in Fig. 8 (c) He Fig. 8 (d), each wall portion 74 hair had for the inside by dead knife maintaining part 70 is discharged to the 1st tap (through hole) 76 of the outside of dead knife maintaining part 70.Each 1st tap 76 runs through wall portion 74 on longitudinal WA.

As shown in Fig. 8 (b), each leg 75 hair had for the inside by dead knife maintaining part 70 is discharged to the 2nd tap 77 of the outside of dead knife maintaining part 70.Each 2nd tap 77 runs through leg 75 on depth direction WC.In the part corresponding with each dead knife fixed part 74A (with reference to Fig. 8 (a)) of each leg 75, be formed with the spring mobile space 78 (" spring compartment ") for spring 61 (with reference to Fig. 6) movement.Each spring mobile space 78 and Ge 1 tap 76 form the continuous print hole of 1 longitudinally WA extension.

Next, illustrating with reference to Fig. 9 can the detailed construction of moving knife 100.

Can be formed by sheet metal bent is become U-shaped by moving knife 100.Can the size of moving knife 100 on horizontal WB than slight greatly on horizontal WB of dead knife 90.

Can have by moving knife 100: top 101, its transversely WB extension, contacts with dead knife 90 with the surface of face side WC1 side; Two can moving knife sidewall 102, and they extend from the end of the horizontal WB at top 101 to reverse side WC2 (with reference to Fig. 9 (c)).In addition, can moving knife 100 also have from top 101 throughout to respectively can moving knife sidewall 102 formed multiple slits 103.Each slit 103 extends obliquely relative to horizontal WB.Cutter portion 104 is formed between adjacent slit 103.In addition, cutter portion 104 is also formed at the end pushing away side WA1 and the end of drawing side WA2.

As shown in Fig. 9 (a), respectively can have two legs 105 by moving knife sidewall 102.Each leg 105 is equivalent to can the part the most outstanding to reverse side WC2 in moving knife sidewall 102.The fixed part 106 that each leg 105 has the through hole of the fractional open of this side of reverse side WC2 and the hook hook part 107 formed continuously with fixed part 106.In addition, can moving knife 100 on horizontal WB with shown in Fig. 9 (a) can moving knife sidewall 102 that side contrary can moving knife sidewall 102, also have with above-mentioned detailed description can the identical structure of the structure of moving knife sidewall 102.

As shown in Fig. 9 (b), overlook can moving knife 100 time, cutter portion 104 has constant size on longitudinal WA of each slit 103.

Next, illustrating with reference to Figure 10 can the detailed construction of moving knife maintaining part 80.In addition, Figure 10 represents respectively can state before moving knife fixed part 85 melting.

Can moving knife maintaining part 80 have be embedded in can the supporting mass 81 of moving knife 100 (with reference to Fig. 6), the linking part 82 be connected with the cutter coupling part 53B (with reference to Fig. 5) of head connecting rod 53, for fixing each spring 61 (with reference to Fig. 6) two spring fixing portion 83 and for fixing can the leg 84 of moving knife 100 (with reference to Fig. 6).In addition, moving knife maintaining part 80 movement limiting portion 87 contacted with the inner side of dead knife 90 (with reference to Fig. 6) can also be had.In addition, can the part that formed as one by identical resin material of each several part of moving knife maintaining part 80.

As shown in Figure 10 (b), linking part 82 is formed on longitudinal WA can the central portion of moving knife maintaining part 80.As shown in Figure 10 (c), linking part 82 is formed as the otch embedded for the cutter coupling part 53B (with reference to Fig. 5) of head connecting rod 53.

As shown in Figure 10 (a), each leg 84 have the end face being formed at horizontal WB can moving knife fixed part 85 and be formed in can the hook 86 of the adjacent position of moving knife fixed part 85.Can continuously be formed with hook 86 by moving knife fixed part 85.As shown in Figure 10 (b), respectively can moving knife fixed part 85, each hook 86 and each movement limiting portion 87 transversely WB give prominence to laterally.In addition, can moving knife maintaining part 80 on horizontal WB with the end face of end face that side contrary of the horizontal WB shown in Figure 10 (a), there is the structure identical with the structure of the leg 84 of above-mentioned detailed description.

Next, with reference to Figure 11, the annexation between dead knife 90 and dead knife maintaining part 70 is described.In addition, Figure 11 (a) represents the state before each dead knife fixed part 74A melting.

As shown in Figure 11 (a), the size of dead knife 90 on longitudinal WA is than slight greatly on longitudinal WA of dead knife maintaining part 70.The state that dead knife 90 and dead knife maintaining part 70 are in alignment with each other with the central portion on their respective longitudinal WA is fixed together.

The state that dead knife 90 is embedded in each 1st location division 98 with each 2nd location division 74C is inserted in the dead knife patchhole 71A of dead knife maintaining part 70.Each dead knife fixed part 74A is inserted in each fixed part 96.Each hook 74B is inserted in each hook hook part 97.Each cutter portion 94 is configured in the position corresponding with each comb shape portion 72A of guide portion 72.The spacing of each comb shape portion 72A is equal with the spacing of slit 93.Each slit 93 is between comb shape portion 72A.

Each dead knife fixed part 74A before melting and the gap between each fixed part 96 larger than the gap between the 1st location division 98 and the 2nd location division 74C.In addition, the gap hooked between 74B and hook hook part 97 is larger than the gap between the 1st location division 98 and the 2nd location division 74C.Thereby, it is possible to utilize the 1st location division 98 and the 2nd location division 74C, to dead knife 90 and dead knife maintaining part 70, the relative position on longitudinal WA positions.

The end face of the reverse side WC2 of each leg 95 of dead knife 90 and the end face of lower surface to the face side WC1 of portion 74D of each dead knife maintaining part 70 facing across gap.As shown in Figure 11 (c), the part on the surface of the reverse side WC2 of the heavy section 91C of support strip portion 91A contacts with reverse side support 73A.In this example, as shown in Figure 11 (d), the surface of the reverse side WC2 of the heavy section 91C of support strip portion 91A contacts with portion 73B faced by the heavy wall in reverse side support 73A.Thin-wall face in the surface of the reverse side WC2 of the thinner wall section 91B of support strip portion 91A and reverse side support 73A is facing across gap to portion 73C.Thus, to dead knife 90 and dead knife maintaining part 70, the relative position on depth direction WC positions in the face of portion 73B to utilize heavy section 91C and heavy wall.

As shown in Figure 11 (b), by dead knife fixed part 74A melting after being set to the state of Figure 11 (a).Thus, together with dead knife 90 is fixed to one another with dead knife maintaining part 70.Hook the movement that 74B limits dead knife fixed part 74A.

Next, illustrating with reference to Figure 12 can moving knife 100 and can annexation between moving knife maintaining part 80.In addition, Figure 12 (a) represents respectively can state before moving knife fixed part 85 melting.

As shown in Figure 12 (a), can the size of moving knife 100 on longitudinal WA than can the size of moving knife maintaining part 80 on longitudinal WA slightly little.Can moving knife 100 and can the state that is in alignment with each other with the central portion on their respective longitudinal WA of moving knife maintaining part 80 being fixed together.

As shown in Figure 12 (a), supporting mass 81 is embedded in can moving knife 100.Respectively can be inserted in each fixed part 106 by moving knife fixed part 85.Each hook 86 is inserted in each hook hook part 107.

As shown in Figure 12 (b), inciting somebody to action after being set to the state of Figure 12 (a) respectively can moving knife fixed part 85 melting.Thus, can moving knife 100 with can together with moving knife maintaining part 80 be fixed to one another.Hooking 86 restrictions can the movement of moving knife fixed part 85.

Next, the number of assembling steps of cutter block 60 is described with reference to Figure 11 and Figure 12.

(A1) can moving knife 100 be installed on can moving knife maintaining part 80 (with reference to Figure 12 (a)).

(A2) inciting somebody to action respectively can moving knife fixed part 85 melting (with reference to Figure 12 (b)).

(A3) utilizing each spring 61 to connect can moving knife maintaining part 80 and dead knife maintaining part 70.

(A4) dead knife 90 is installed on dead knife maintaining part 70 (with reference to Figure 11 (a)).

(A5) by each dead knife fixed part 74A melting (with reference to Figure 11 (b)).

Next, reference Figure 13 and Figure 14 illustrates the relation between each component of cutter block 60.

Along with the rotation of electro-motor 21 (with reference to Fig. 2), can moving knife 100 relative to dead knife 90 longitudinally WA move.Can change to drawing in the extreme position of the side WA2 i.e. scope of " maximum draw side position " certainly pushing away the extreme position of side WA1 i.e. " maximum push away side position " relative to the position (hereinafter referred to as " cutter relative position ") of dead knife 90 by moving knife 100.In addition, Figure 13 and Figure 14 represents that cutter relative position pushes away side position and the maximum position i.e. state of " neutral position " of drawing neutrality between side position maximum.

As shown in figure 13, can moving knife 100 and can the combination of moving knife maintaining part 80 being inserted between dead knife 90 and dead knife maintaining part 70.The spring fixing portion 83 of moving knife maintaining part 80 can be inserted in the end of the face side WC1 of each spring 61.

The spring fixing portion 75A of dead knife maintaining part 70 is inserted in the end of the reverse side WC2 of each spring 61.Thus, dead knife maintaining part 70 and can moving knife maintaining part 80 connected to each other by each spring 61.

Each spring 61 with the state that there occurs compression in dead knife maintaining part 70 and can between moving knife maintaining part 80.The restoring force of each spring 61 can the direction of moving knife 100 act on to pushing towards dead knife 90.Therefore, can the surface of face side WC1 side of moving knife 100 contact with the surface of the reverse side WC2 side of dead knife 90.

As shown in Figure 14 (a), when cutter relative position is positioned at neutral position, under the state of overlooking, all cutter portions 94 of dead knife 90 with can the overlapping at least partially of cutter portion 104 of moving knife 100.In addition, can the square end portion from horizontal WB of moving knife 100 can the top 101 of moving knife 100 overlap with cutter pars intermedia 94A to the opposing party end.

As shown in Figure 14 (b), each dead knife sidewall 92 with respectively can moving knife sidewall 102 facing across gap.In addition, can each movement limiting portion 87 of moving knife maintaining part 80 facing across small gap with the wall of the inner side of dead knife sidewall 92.Gap between the wall of the inner side of dead knife sidewall 92 and each movement limiting portion 87 than each dead knife sidewall 92 and respectively can gap between moving knife sidewall 102 little.Therefore, can moving knife 100 after transversely WB moves, dead knife sidewall 92 can contact with movement limiting portion 87.

As shown in Figure 14 (a), each comb shape portion 72A of each guide portion 72 is corresponding with all cutter portions 94 of dead knife 90.As shown in Figure 14 (c), comb shape portion 72A have as the end of face side WC1 side top ends 72C and be formed at the curved face part 72B in bight of top ends 72C.Each top ends 72C is configured in the position leaning on reverse side WC2 side than the surface of the reverse side WC2 side of cutter end 94B.The diameter of curved face part 72B is much less than the diameter of the arc sections 92A of dead knife 90.In addition, as shown in Figure 14 (a), each protuberance 71B is facing across dead knife 90 on horizontal WB.

Next, with reference to Figure 15, the relation between head 50 and cutter block 60 is described.

As shown in Figure 15 (a), time in cutter block patchhole 50X cutter block 60 being embedded in head 50, the recess 51Y of the 1st the housing 51 and recess 52Y of the 2nd housing 52 is configured in the position corresponding respectively with two protuberance 71B.Now, as shown in Figure 15 (b), each protuberance 71B is protruding outside to recess 51Y, 52Y of WB transversely.Two protuberance 71B and recess 51Y, 52Y form the finger abutting structure catching cutter block 60 for user.In addition, the protuberance 71B of recess 51Y and a side corresponding with this recess 51Y forms the 1st and points to abut and construct.In addition, the protuberance 71B of recess 52Y and the opposing party corresponding with this recess 52Y forms the 2nd and points to abut and construct.

As shown in Figure 15 (a), time in cutter block patchhole 50X cutter block 60 being embedded in head 50, the framework 71 of cutter block 60 and the top 91 of dead knife 90 are given prominence to from cutter block patchhole 50X.

Next, reference Figure 16 illustrates the relation between each constituent part of electric razor 1.In addition, Figure 16 (b) eliminates dead knife 90 and dead knife maintaining part 70.

(A) roller 25 is connected with the importation 31D of the 1st connecting rod 31.

(B) the 2nd arm 31B of the 1st connecting rod 31 is connected with the 2nd connecting rod 32.

(C) the outlet side end of the 2nd connecting rod 32 is connected with the 3rd connecting rod 33.

(D) the fixed head 33A of the 3rd connecting rod 33 is connected with relaying component 54.

(E) the coupling part 54A of relaying component 54 is connected with head connecting rod 53.

(F) the cutter coupling part 53B of head connecting rod 53 is connected with linking part 82.

(G) cutter coupling part 53B is configured on the center line C1 of apparatus main body 10.

(H) cutter coupling part 53B is configured on the rotation centerline C2 of electro-motor 21.

(I) the center line C1 of the apparatus main body 10 and rotation centerline C2 of electro-motor 21 is consistent.

As shown in Figure 16 (a), electric razor 1 is by having above-mentioned annexation, after the rotation utilizing switching mechanism 30 by the output shaft 22 of electro-motor 21 is converted to linear reciprocating motion, by relaying component 54 and head connecting rod 53, the linear reciprocating motion of switching mechanism 30 is delivered to cutter block 60.

As shown in Figure 16 (b), head connecting rod 53 has: part 1 53X, and it is along axis direction ZA; Part 2 53Y, its end from the top ZA1 of part 1 53X forwards ZC1 (face side WC1) extends, and this part 2 53Y has cutter coupling part 53B and projection 53C; And the 3rd part 53Z, its end from the below ZA2 of part 1 53X forwards ZC1 (face side WC1) extends.The relaying component 54 be connected with relay connection part 53A is formed as the shape that ZA in the axial direction extends.

In the present embodiment, rotating member 23, eccentric shaft 24, roller 25, the 1st connecting rod 31 and the 2nd connecting rod 32 are formed " converter section ".In addition, the 3rd connecting rod 33, head connecting rod 53 and relaying component 54 are formed in " transmission mechanism portion ".In addition, head connecting rod 53 and relaying component 54 are formed " transfer part ".In addition, part 1 53X, the 3rd part 53Z and relaying component 54 are formed " the 1st transfer part ".In addition, part 2 53Y forms " the 2nd transfer part ".In addition, part 1 53X forms " the 1st transferring structure portion ", and the 3rd part 53Z forms " the 2nd transferring structure portion ", and relaying component 54 is formed " the 3rd transferring structure portion ".

Cutter coupling part 53B is embedded in can the linking part 82 of moving knife maintaining part 80.The both ends of the surface of longitudinal WA of cutter coupling part 53B contact with linking part 82.End face and the linking part 82 of the face side WC1 side of cutter coupling part 53B are facing across gap.

Next, the action of electric razor 1 is described with reference to Figure 17 and Figure 18.In addition, Figure 17 and Figure 18 represents the cross-sectional configuration of the head 50 after the structure of cutter block 60 and the structure of the inner surface of the 1st housing 51 that is associated with cutter block 60 being simplified.

Figure 17 (a) represents that cutter relative position is positioned at the operating state of maximum head 50 when pushing away side position.Figure 17 (b) represents the operating state corresponding with this operating state of roller 25 and the 1st connecting rod 31.

Figure 18 (a) represents that cutter relative position is positioned at the operating state of maximum head 50 when drawing side position.Figure 18 (b) represents the operating state corresponding with this operating state of roller 25 and the 1st connecting rod 31.

The operating state of head 50 when Figure 17 (c) and Figure 18 (c) represent that cutter relative position is positioned at neutral position.Figure 17 (d) and Figure 18 (d) represent the operating state corresponding with this operating state of roller 25 and the 1st connecting rod 31.

Next, the detailed action of switching mechanism 30 and head 50 is described.In the following description, about the direction of rotation L around regulation axle, clockwise direction of rotation is set as " forward direction L1 ", counterclockwise direction of rotation is set as " reverse directions L2 ", the plane orthogonal of afore mentioned rules axle and parallel to the axis direction ZA and subject depth direction ZC.

(1) " change of the state from the state of Figure 17 (a) to Figure 17 (c) "

When the output shaft 22 of electro-motor 21 rotates the position of rotation to Figure 17 (d) from the position of rotation of Figure 17 (b), each part of switching mechanism 30 and head 50 carries out action until the state of Figure 17 (c) from the state of Figure 17 (a).The following describes the concrete action now of each part.

Roller 25, while rotate together with rotating member 23 with output shaft 22, moves along the horizontal ZB of main body relative to importation 31D.Now, importation 31D is subject to the power along the ZC effect of subject depth direction from roller 25, but is not subject to the power along the horizontal ZB effect of main body from roller 25.Thus, importation 31D moves along subject depth direction ZC.

Along with the movement of importation 31D, the state of each part of switching mechanism 30 is changed to the state of Figure 17 (c) from the state of Figure 17 (a).Now, when overlooking the plane parallel with subject depth direction ZC with axis direction ZA, importation 31D and the 1st arm 31A makes rotating shaft 31C rotate along reverse directions L2 around bolster 34.In addition, along with the rotation of rotating shaft 31C, when overlooking the plane parallel with subject depth direction ZC with axis direction ZA, the 2nd arm 31B also rotates along reverse directions L2 around bolster 34.

Along with the rotation of the 2nd arm 31B, the input end 32A of the 2nd connecting rod 32 rotates relative to the 2nd arm 31B, while pulled to below ZA2 by the 2nd arm 31B.Therefore, the 2nd connecting rod 32 entirety is pulled to rotating shaft 31C side by the 2nd arm 31B.That is, the 2nd connecting rod 32 relative to body shell 10A downwards ZA2 move.

Along with the 2nd connecting rod 32 downwards ZA2 move, the 3rd connecting rod 33 relative to body shell 10A downwards ZA2 move.That is, the 3rd connecting rod 33 moves to the direction away from head 50 on axis direction ZA.

Along with the 3rd connecting rod 33 downwards ZA2 move, relaying component 54 relative to head shell 50A downwards ZA2 move.That is, relaying component 54 moves from head 50 lateral device main body 10 side on axis direction ZA.

Along with relaying component 54 downwards ZA2 move, head connecting rod 53 is pulled to apparatus main body 10 side by relaying component 54.Now, the draw side WA2 of projection 53C by contacting with the connecting rod leader 51B of Fig. 5 to longitudinal WA of head connecting rod 53 moves.Therefore, the cutter coupling part 53B of head connecting rod 53 is also to drawing side WA2 to move.

Along with the 3rd connecting rod 33 downwards ZA2 move, the central portion 16A of dust protection rubber 16 relative to body shell 10A downwards ZA2 move.That is, the overhang that the side of ZA1 upward of central portion 16A is outstanding reduces.

Along with cutter coupling part 53B moves to drawing side WA2, can move to drawing side WA2 relative to head shell 50A and dead knife 90 by moving knife 100.Thus, when electro-motor 21 rotates the position of rotation to Figure 17 (d) from the position of rotation of Figure 17 (b), cutter relative position is from the change in location of Figure 17 (a) to the position of Figure 17 (c).

(2) " change of the state from the state of Figure 17 (c) to Figure 18 (a) "

When the output shaft 22 of electro-motor 21 rotates the position of rotation to Figure 18 (b) from the position of rotation of Figure 17 (d), each part of switching mechanism 30 and head 50 carries out action until the state of Figure 18 (a) from the state of Figure 17 (c).Now, each part carry out action with from the state of Figure 17 (a) until the state of Figure 17 (c) time in the same manner as carry out action.

Along with the 3rd connecting rod 33 downwards ZA2 move, the central portion 16A of dust protection rubber 16 relative to body shell 10A further downwards ZA2 move.Thus, ZA2 is outstanding downwards for central portion 16A.

Along with cutter coupling part 53B moves to drawing side WA2, can move to drawing side WA2 relative to head shell 50A and dead knife 90 by moving knife 100.That is, cutter relative position draws side position from the change in location of Figure 17 (c) to the maximum of Figure 18 (a).

(3) " change of the state from the state of Figure 18 (a) to Figure 18 (c) "

When the output shaft 22 of electro-motor 21 rotates the position of rotation to Figure 18 (d) from the position of rotation of Figure 18 (b), each part of switching mechanism 30 and head 50 carries out action until the state of Figure 18 (c) from the state of Figure 18 (a).The following describes the concrete action now of each part.

Roller 25, while rotate together with rotating member 23 with output shaft 22, moves along the horizontal ZB of main body relative to importation 31D.Thus, importation 31D moves, and the state of each part of switching mechanism 30 is changed to the state of Figure 18 (c) from the state of Figure 18 (a).That is, when overlooking the plane parallel with subject depth direction ZC with axis direction ZA, importation 31D and the 1st arm 31A makes rotating shaft 31C rotate along forward direction L1 around bolster 34.In addition, along with the rotation of rotating shaft 31C, when overlooking the plane parallel with subject depth direction ZC with axis direction ZA, the 2nd arm 31B also rotates along forward direction L1 around bolster 34.

Along with the rotation of the 2nd arm 31B, the input end 32A of the 2nd connecting rod 32 rotates relative to the 2nd arm 31B, while pushed to top ZA1 by the 2nd arm 31B.Therefore, the 2nd connecting rod 32 entirety is pushed to head 50 side by the 2nd arm 31B.That is, the 2nd connecting rod 32 relative to body shell 10A upward ZA1 move.

Along with the 2nd connecting rod 32 upward ZA1 move, the 3rd connecting rod 33 relative to body shell 10A upward ZA1 move.That is, the 3rd connecting rod 33 moves to the direction near head 50 on axis direction ZA.

Along with the 3rd connecting rod 33 upward ZA1 move, relaying component 54 relative to head shell 50A upward ZA1 move.That is, relaying component 54 moves from apparatus main body 10 lateral head 50 side on axis direction ZA.

Along with relaying component 54 upward ZA1 move, head connecting rod 53 is pushed to head 50 side by relaying component 54.Now, the push away side WA1 of projection 53C by contacting with the connecting rod leader 51B of Fig. 5 to longitudinal WA of head connecting rod 53 moves.Therefore, the cutter coupling part 53B of head connecting rod 53 also moves to pushing away side WA1.

Along with the 3rd connecting rod 33 upward ZA1 move, the central portion 16A of dust protection rubber 16 relative to body shell 10A upward ZA1 move.Thus, central portion 16A gives prominence to ZA1 side upward.

Along with cutter coupling part 53B moves to pushing away side WA1, can move to pushing away side WA1 relative to head shell 50A and dead knife 90 by moving knife 100.That is, when electro-motor 21 rotates the position of rotation to Figure 18 (d) from the position of rotation of Figure 18 (b), cutter relative position is from the change in location of Figure 18 (a) to the position of Figure 18 (c).

(4) " change of the state from the state of Figure 18 (c) to Figure 17 (a) "

When the output shaft 22 of electro-motor 21 rotates the position of rotation to Figure 17 (b) from the position of rotation of Figure 18 (d), each part of switching mechanism 30 and head 50 carries out action until the state of Figure 17 (a) from the state of Figure 18 (c).Now, each part carry out action with from the state of Figure 18 (a) until the state of Figure 18 (c) time in the same manner as carry out action.

Along with the 3rd connecting rod 33 downwards ZA2 move, the central portion 16A of dust protection rubber 16 relative to body shell 10A upward ZA1 move.That is, the overhang that the side of ZA1 upward of central portion 16A is outstanding increases.

Along with cutter coupling part 53B moves to pushing away side WA1, can move to pushing away side WA1 relative to head shell 50A and dead knife 90 by moving knife 100.That is, cutter relative position pushes away side position from the change in location of Figure 18 (c) to the maximum of Figure 17 (a).

Next, with reference to Figure 19, the change that the relation between spring 61 and dead knife maintaining part 70 occurs along with the change of cutter relative position is described.In addition, Figure 19 (a) ~ Figure 19 (c) represents and eliminates dead knife 90 and can the state of moving knife 100 from cutter block 60.Figure 19 (a) represents that cutter relative position is positioned at the state of neutral position, and Figure 19 (b) represents that cutter relative position is positioned at the maximum state pushing away side position, and Figure 19 (c) represents that cutter relative position is positioned at maximum state of drawing side position.

Each spring 61 moves in the inside of each spring mobile space 78 of dead knife maintaining part 70.In addition, in the explanation of following Figure 19 (a) ~ Figure 19 (c), conveniently be identified in two identical elements (such as two springs, 61, two reverse side support 73A etc.) longitudinal WA being positioned at different side, to being positioned at additional " the 1st " this term of the key element pushing away WA1 side, side, to being positioned at additional " the 2nd " this term of the key element of drawing WA2 side, side.

As shown in Figure 19 (b), cutter relative position be positioned at maximum push away side position time, what be fixed the end of the face side WC1 side of the 1st spring 61 can the 1st spring fixing portion 83 of moving knife maintaining part 80 be positioned near the 1st dead knife fixed part 74A.Now, under master looks state, the mid portion of the 1st spring 61 is overlapping with the 1st dead knife fixed part 74A.In addition, the end of the face side WC1 of the 2nd spring 61 is exposed to the outside of the 2nd spring mobile space 78.Now, the end portion of reverse side WC2 side of the 1st leg 84 of moving knife maintaining part 80 the 1st spring mobile space 78 can be entered into.In addition, can the end that WA1 side, side be pushed away of supporting mass 81 of moving knife maintaining part 80 near the 1st reverse side support 73A.When cutter relative position be positioned at maximum push away side position time, between the end pushing away WA1 side, side of supporting mass 81 and the 1st reverse side support 73A, be formed with small gap.

As shown in Figure 19 (c), when cutter relative position be positioned at maximum draw side position time, what be fixed the end of the face side WC1 side of the 2nd spring 61 can the 2nd spring fixing portion 83 of moving knife maintaining part 80 be positioned near the 2nd dead knife fixed part 74A.Now, under master looks state, the mid portion of the 2nd spring 61 is overlapping with the 2nd dead knife fixed part 74A.In addition, the end of the face side WC1 of the 1st spring 61 is exposed to the outside of the 1st spring mobile space 78.Now, the end portion of reverse side WC2 side of the 2nd leg 84 of moving knife maintaining part 80 the 2nd spring mobile space 78 can be entered into.In addition, can moving knife maintaining part 80 supporting mass 81 draw the end of WA2 side, side near the 2nd reverse side support 73A.In addition, when cutter relative position be positioned at maximum draw side position time, be formed with small gap drawing between the end of WA2 side, side and the 2nd reverse side support 73A of supporting mass 81.

By taking out cutter block 60 from cutter block patchhole 50X, can be cleaned by feeler blocks 60 such as washings.In addition, can also the inside of feeler block patchhole 50X clean.Therefore, when wanting feeler block 60 and cutter block patchhole 50X cleans, cutter block 60 is unloaded.

Next, illustrate that user unloads the step of cutter block 60 with reference to Figure 15.(X1) ZA2 pushes disengage button 55 downwards.Now, the top ends of disengage button 55 departs from the 1st tap 76 (with reference to Fig. 8 (c)) of cutter block 60.Therefore, it is possible to take out cutter block 60 from cutter block patchhole 50X.

(X2) finger belly of thumb is resisted against the planar portions 71C of the protuberance 71B of a side.

(X3) finger belly of forefinger is resisted against the planar portions 71C of the protuberance 71B of the opposing party.

(X4) grab to face side WC1 and griffe block 60.

Next, the step of user installation cutter block 60 is described.In addition, in the following description, the facing relation in the end of the ZA2 side, below of head 50 and the end with protuberance 71B of cutter block 60 is set as in " direction of standard ".

(Y1) along the direction configuration cutter block 60 of standard.

(Y2) cutter block 60 is inserted in patchhole 50X.Framework 71 is made to be resisted against the edge of cutter block patchhole 50X.In addition, rib 51L (with reference to Fig. 5) is made to be embedded in groove 75B (with reference to Fig. 8 (d)).

(Y3) upward ZA1 pushes away disengage button 55.The top ends of disengage button 55 is made to be embedded in the 1st tap 76 (with reference to Fig. 8 (c)) of cutter block 60.Thus, cutter block 60 is held in cutter block patchhole 50X.

Next, the number of assembling steps of head 50 is described with reference to Figure 20.

Head 50 is assembled in apparatus main body 10 according to following step by user.

As shown in Figure 20 (a), user makes the opening portion of the insertion portion 51A of head 50 and apparatus main body 10 facing each other.In addition, make the pivot axis of head 50 consistent with the pivot axis of apparatus main body 10.

As shown in Figure 20 (b), the insertion portion 51A of head 50 is inserted in apparatus main body 10 by user.Then, head 50 is made to rotate relative to the direction of apparatus main body 10 along regulation.Thus, head 50 is fixed on apparatus main body 10.

Next, with reference to Figure 21 ~ Figure 25, the relation between the 3rd connecting rod 33 when head 50 being installed on apparatus main body 10 and relaying component 54 is described.In addition, Figure 21 ~ Figure 25 represents the relation between the 3rd connecting rod 33 under the state that head 50 is installed on apparatus main body 10 and head 50.In addition, for apparatus main body 10, eliminate the part except the 3rd connecting rod 33.In addition, for head 50, eliminate the 2nd housing 52.

(A) as shown in Figure 21 (a), when being inserted in apparatus main body 10 by insertion portion 51A, the fixed head 33A of the 3rd connecting rod 33 is inserted into the leader 54B of relaying component 54.As shown in Figure 21 (b), the inner surface of leader 54B and the side of fixed head 33A facing across gap.

(B) as shown in Figure 22 (b), head 50 rotates relative to the position of rotation of apparatus main body 10 from Figure 21 (b).As shown in Figure 22 (a), along with the rotation of head shell 50A, fixed head 33A is pressed against leader 54B, thus, relaying component 54 carry out rotation relative to the 3rd connecting rod 33 while relative to the 3rd connecting rod 33 downwards ZA2 move.

(C) as shown in Figure 23 (b), head 50 further rotates relative to the position of rotation of apparatus main body 10 from Figure 22 (b).As shown in Figure 23 (a), along with the rotation of head shell 50A, fixed head 33A is further pressed in leader 54B, thus, relaying component 54 continue relative to the 3rd connecting rod 33 rotation while relative to the 3rd connecting rod 33 downwards ZA2 move.

(D) as shown in Figure 24 (b), head 50 further rotates relative to the position of rotation of apparatus main body 10 from Figure 23 (b).As shown in Figure 24 (a), along with the rotation of head shell 50A, fixed head 33A is pushed on leader 54B further, thus, relaying component 54 continue relative to the 3rd connecting rod 33 rotation while relative to the 3rd connecting rod 33 downwards ZA2 move.Now, along with the 3rd connecting rod 33 downwards ZA2 move, the bottom surface of standing part 54C abuts with fixed head 33A.In addition, as shown in Figure 24 (b), a part of standing part 54C overlaps with fixed head 33A on axis direction ZA.

(E) as shown in Figure 25 (b), head 50 further rotates relative to the position of rotation of apparatus main body 10 from Figure 24 (b).As shown in Figure 25 (a), under state fixed head 33A being pushed on the bottom surface of standing part 54C in the rotation along with head shell 50A, relaying component 54 continues to rotate relative to the 3rd connecting rod 33.Now, as shown in Figure 25 (b), relaying component 54 carries out rotating until the both ends embed wholly of fixed head 33A is in standing part 54C.Further, when relaying component 54 arrives the position of rotation shown in Figure 25 (b) relative to the position of rotation of the 3rd connecting rod 33, the assembling operation of head 50 relative to apparatus main body 10 is completed.

Next, illustrate that user scrapes the step shaved the beard with reference to Fig. 2.

(Z1) the 3rd housing 13 is held.

(Z2) operating power switch 18 drives electro-motor 21.

(Z3) the shaving face 90A of dead knife 90 is posted by skin surface.

(Z4) dead knife 90 (apparatus main body 10) is made to carry out reciprocating action along the horizontal ZB of main body.Thus, the slit 93 of beard self-retaining cutter 90 enters into can the slit 103 of moving knife 100, and this beard is at dead knife 90 and can be cut-off and shaved off on contact surface between moving knife 100.

Next, with reference to Figure 26, the effect of comb shape portion 72A in step (Z4) is described.

As shown in Figure 26 (a), the shaving face 90A of dead knife 90 is posted by skin surface S, and dead knife 90 is moved to beard H.Now, as shown in Figure 26 (b), the beard H along skin surface S erects under the effect of comb shape portion 72A, and the periphery along comb shape portion 72A is moved.That is, beard H is introduced in the space between adjacent comb shape portion 72A.Further, as shown in Figure 26 (c), beard H is directed in the slit 93 of dead knife 90.

The electric razor 1 of present embodiment can play following effect.

(1) what cutter block 60 comprised dead knife 90 and carried out reciprocating action in the inner side of this dead knife 90 can moving knife 100.With dead knife 90 and can the length direction (longitudinal WA) of moving knife 100 mode corresponding with the length direction (axis direction ZA) of the apparatus main body 10 of elongate, cutter block 60 is configured at apparatus main body 10.In addition, in cutter block 60, reciprocating action can be carried out relative to dead knife 90 along the length direction of apparatus main body 10 by moving knife 100.Adopt this structure, by making electric razor 1 on a skin surface along with dead knife 90 with can move back and forth in the orthogonal direction of the length direction of moving knife 100, can scrape efficiently and shaving the beard.

(2) cutter block 60 is arranged at rectangular-shaped head 50, and this head 50 is arranged at the top ends of main body 10 along the direction making this main body 10 extend.Therefore, compared with T-shaped electric razor in the past, electric razor 1 can be made miniaturized.

(3) the reverse side support 73A of dead knife maintaining part 70 contacts with the heavy section 91C of dead knife 90 and side WC2 side bearing dead knife 90 (with reference to Figure 11 (d)) from the negative.On the other hand, reverse side support 73A does not contact with thinner wall section 91B.Adopt this structure, when being applied with impact from face side WC1 to dead knife 90, thinner wall section 91B not easily contacts with dead knife maintaining part 70.Thereby, it is possible to suppress the distortion of thinner wall section 91B.That is, can utilize the thinner wall section 91B being arranged at dead knife 90 must be shorter by hair shaving, and can prevent thinner wall section 91B from deforming because putting on the impact of fixed part 90.

(4) whole 4 heavy section 91C of dead knife maintaining part 70 couples of support strip portion 91A support.Adopt this structure, when being applied with impact from face side WC1 to dead knife 90, impacting and being scattered in 4 place heavy section 91C.Therefore, it is possible to suppress the distortion of heavy section 91C.

(5) thin-wall face has the shape (with reference to Figure 11 (d)) caved in reverse side WC2 in the face of portion 73B than heavy wall to portion 73C.Adopt this structure, when being applied with impact from face side WC1 to dead knife 90, compared with the structure do not caved in reverse side WC2 to portion 73C with thin-wall face, thinner wall section 91B more not easily contacts with dead knife maintaining part 70.

(6) dead knife 90 has the dead knife sidewall 92 (with reference to Fig. 7 (a)) that two places extend to reverse side WC2.Adopt this structure, compared with not having the dead knife of dead knife sidewall 92, the rigidity of dead knife 90 is larger.In addition, support strip portion 91A and each cutter portion 94 are supported by dead knife sidewall 92.Therefore, by having dead knife sidewall 92, even if make the thickness of other parts of Thickness Ratio in support strip portion 91A and each cutter portion 94 thin, the intensity of the necessity as dead knife 90 also can be guaranteed.

(7) dead knife maintaining part 70 has lower surface to portion 74D (with reference to Figure 11 (a)) in the part that the lower end of the leg 95 with dead knife sidewall 92 is corresponding.Adopt this structure, when being applied with impact from face side WC1 side to dead knife 90, lower surface can being utilized to bear portion 74D and with lower surface, portion 74D is contacted by leg 95 and the impact produced.Therefore, it is possible to suppress the distortion of heavy section 91C.

(8) when overlooking dead knife 90, the axis direction ZA of apparatus main body 10 consistent with longitudinal WA of dead knife 90 (with reference to Figure 15 (a)).Adopt this structure, with compared with the axis direction ZA overlooking dead knife 90 timer main body 10 structure orthogonal with longitudinal WA of dead knife 90, the size of apparatus main body 10 on the horizontal ZB of main body can be reduced.Therefore, electric razor 1 densification can be made.In addition, portability can be improved.Therefore, it is possible to provide the pocket or pen bag etc. that the electric razor 1 shaved can be contained in clothes class and carry out carrying this ease of use do not had in the past.In addition, by make cutter block 60 on a skin surface transversely WB move back and forth, can scrape efficiently and shave the beard.

(9) dust protection rubber 16 has the central portion 16A that ZA1 is outstanding upward.Adopt this structure, when dust protection rubber 16 moves to the ZA2 side, reciprocal below of the projected direction as central portion 16A, central portion 16A can play function (Figure 17 (a) (b) reference) as the play portion of dust protection rubber 16.Therefore, compared with the central portion 16A structure that ZA1 is not outstanding upward, the load of dust protection rubber 16 reduces.In addition, because dust protection rubber 16 contacts with the 3rd connecting rod 33 (with reference to Fig. 4 (a)), therefore, it is possible to suppress soft flocks etc. to enter base end side space RB between through hole 16P and the 3rd connecting rod 33.

(10) when the 3rd connecting rod 33 carries out linear reciprocating motion, there is distortion (with reference to Figure 18 (a)) by a relatively large margin in the central portion 16A of dust protection rubber 16.Adopt this structure, the soft flocks near central portion 16A can move along with the distortion of central portion 16A, and therefore, soft flocks is not easily attached to dust protection rubber 16.Therefore, it is possible to easily remove soft flocks from tip side space RC.

(11) routine as of the device with the transmission mechanism carrying out linear reciprocating motion and the elastic component being installed on transmission mechanism, can electric toothbrush be enumerated.The amount of movement of the linear reciprocating motion of the transmission mechanism of electric toothbrush is less than the amount of movement of the linear reciprocating motion of the 3rd connecting rod 33 of electric razor 1.Therefore, compared with the dust protection rubber 16 of electric razor 1, the load produced along with the linear reciprocating motion of transmission mechanism of the elastic component of electric toothbrush is less.That is, compared with the elastic component of electric toothbrush, the dust protection rubber 16 of electric razor 1 has the possibility bearing larger load.On the other hand, dust protection rubber 16 has central portion 16A.Therefore, it is possible to suppress the situation producing larger load along with the linear reciprocating motion of the 3rd connecting rod 33 in dust protection rubber 16.

(12) the 3rd connecting rods 33 run through the central portion 16A (with reference to Fig. 4 (a)) of dust protection rubber 16.Adopt this structure, be applied in the central portion 16A of dust protection rubber 16 downwards compared with the structure of part that between peripheral part 16B, ZA2 side is given prominence to the 3rd connecting rod 33, soft flocks etc. not easily accumulate near through hole 16P.Therefore, soft flocks etc. not easily enter base end side space RB.

(13) in dust protection rubber 16, the end of the ZA1 side, top of edge 16C is positioned at the position (with reference to Fig. 4 (a)) of the ZA1 side by the top, end than the ZA1 side, top of the peripheral part 16B connected with this edge 16C.Adopt this structure, soft flocks etc. not easily lodge in the groove portion 12A of the 2nd housing 12.Therefore, soft flocks etc. not easily enter base end side space RB.

(14) dust protection rubber 16 is formed by elastomeric material.Adopt this structure, dust protection rubber 16 can stretch along with the carrying out of linear reciprocating motion.Therefore, less relative to the resistance of linear reciprocating motion generation.

(15) apparatus main body 10 of electric razor 1 has dust protection rubber 16.Adopt this structure, beard bits etc. can be suppressed to enter base end side space RB (with reference to Fig. 3) via the gap of the 3rd connecting rod 33 surrounding in the 1st housing 11 and the 2nd housing 12.

(16) dust protection rubber 16 is installed on the 2nd housing 12 (with reference to Fig. 4 (a)) of body shell 10A.Adopt this structure, compared with dust protection rubber 16 being installed on the structure of head 50, tip side space RC can be increased.Therefore, it is possible to reduce the frequency that user removes soft flocks etc. in the RC of tip side space, therefore, ease of use can be improved.

(17) electric razor 1 has eccentric shaft 24 and switching mechanism 30 (with reference to Fig. 3).Compared with the common switching mechanism 530 (with reference to Figure 31 (b)) comprising face gear 531, this switching mechanism 30 does not have gear.Therefore, even if switching mechanism 30 action, the sound of gears meshing can not also be sent.Therefore, compared with employing the common electric razor of the switching mechanism comprising face gear, the driving sound of electric razor 1 is less.

(18) dust protection rubber 16 is embedded in the groove portion 12A (with reference to Fig. 4 (a)) of the inner surface being formed at the 2nd housing 12.Adopt this structure, dust protection rubber 16 not easily departs from the 2nd housing 12.

(19) the cutter portion 94 of the shaving face 90A of dead knife 90 and slit 93 are formed continuously to the opposing party end (with reference to Fig. 7 (b)) from a square end portion of the horizontal WB of dead knife 90.Adopt this structure, with cutter portion 94 and slit 93 on horizontal WB compared with discontinuous structure, the end of cutter portion 94 and slit 93 can not hooking in skin.Therefore, it is possible to realize allow skin feel comfortably cool shave.

(20) the shaving face 90A of dead knife 90 be formed as relative to apparatus main body 10 the closer to shaving face 90A top the closer to the extended line of the center line C1 of apparatus main body 10 inclined-plane (with reference to Figure 16 (a)).Therefore, be easy to that shaving face 90A is posted by skin surface by the state that hold the 3rd housing 13.

(21) diameter of head 50 less than the diameter of apparatus main body 10 (the 2nd housing 12 and the 3rd housing 13) (with reference to Fig. 2 (a)).Adopt this structure, be easy to desired locations head 50 being posted by skin surface.

(22) reciprocating action (with reference to Fig. 6) can be carried out in the inner side of the dead knife 90 of U-shaped by moving knife 100.Adopt this structure, the stimulation to skin surface can be reduced.In addition, beard shaving can be obtained enough short.

(23) shaving face 90A is formed as tabular surface (with reference to Fig. 6).Adopt this structure, the area contacted with skin can be expanded.Thereby, it is possible to improve shaving efficiency.In addition, be easy to shaving face 90A to be posted by skin.

(24) when cutter block 60 is embedded in the cutter block patchhole 50X of head 50, the framework 71 of cutter block 60 and the top 91 of dead knife 90 are from cutter block patchhole 50X outstanding (with reference to Figure 15 (a)).Adopt this structure, because the top 91 of dead knife 90 highlights from head 50, be therefore easy to shaving face 90A to be connected to skin.

(25) usual, the slit of slit cutter (there is the cutter of slit) throughout the horizontal WB at top gamut formed, therefore, intensity is less.Therefore, when employing slit cutter as dead knife, dead knife likely can deform in use.Therefore, the intensity of dead knife is preferably increased.

Electric razor 1 has the slit cutter being made dead knife 90.The middle slit width S A of this dead knife 90 is less than the wide BA of intermediate knife (with reference to Fig. 7 (d)).Adopt this structure, compared with the structure that middle slit width S A is larger than the wide BA of intermediate knife, the intensity of dead knife 90 is improved.Therefore, the slit cutter as dead knife 90 not easily deforms.

(26) the cutter pars intermedia 94A of dead knife 90 is rectilinear form (with reference to Fig. 7 (d)).Adopt this structure, compared with the structure that cutter pars intermedia 94A is bending, the intensity of dead knife 90 is further enhanced.

(27) the end slot width S D of electric razor 1 larger than middle slit width S A (with reference to Fig. 7 (d)).Adopt this structure, because the slit width of the slit end 93B of the part as the inside for hair being imported to dead knife 90 is comparatively large, therefore, it is possible to efficiently hair to be directed to the inside of dead knife 90.Shave the beard therefore, it is possible to scrape efficiently.

(28) the end slot width S D of electric razor 1 larger than the wide BD of end cutter (with reference to Fig. 7 (d)).Adopt this structure, compared with the structure that end slot width S D is less than the wide BD of end cutter, efficiently hair can be directed to the inside of dead knife 90.

(29) at electric razor 1 can in moving knife 100, whole top 101 configures accordingly with cutter pars intermedia 94A (with reference to Figure 14 (a)).Adopt this structure, can support cutter pars intermedia 94A by moving knife 100 owing to utilizing, therefore dead knife 90 not easily deforms.

(30) thickness of the Thickness Ratio cutter end 94B of cutter pars intermedia 94A little (with reference to Figure 14 (b)).Adopt this structure, at cutter pars intermedia 94A, the position of the root closer to hair can be positioned at by moving knife 100.Therefore, it is possible to the degree of depth prunes hair.

(31) all cutter portions 94 of electric razor 1 when neutral position with the cutter portion 104 of moving knife 100 can overlap (with reference to Figure 14 (a)).Adopt this structure, can support the cutter portion 94 of all dead knives 90 by moving knife 100 owing to utilizing, therefore dead knife 90 not easily deforms.

(32) the cutter portion 94 of electric razor 1 has rake 94C and line part 94D (with reference to Fig. 7 (d)).Along with the outside to horizontal WB is gone, the cutter of rake 94C is wide to be reduced gradually.The cutter of line part 94D is wide has constant size on horizontal WB.Adopt this structure, compared with the wide structure periodically reduced of the cutter in cutter portion 94, cutter portion 94 not easily hooking in skin.

(33) position that electric razor 1 is adjacent with dead knife 90 on horizontal WB, has protuberance 71B (finger abuts structure) (with reference to Figure 15 (a)) that two are formed at fixed part maintaining part 70.Adopt this structure, compared with arranging the situation of protuberance 71B with position adjacent with dead knife 90 on longitudinal WA, be easy to finger is placed on protuberance 71B and autonomous agent 10 unloads cutter block 60.In addition, adopt this structure, user can be reduced and nourish finger and to contact with dead knife 90 situation of such worry.That is, user can unload cutter block 60 by autonomous agent securely.

(34) protuberance 71B has planar portions 71C (with reference to Figure 15 (a)) in the end of that side contrary to dead knife 90.Adopt this structure, user is easy to stably catch protuberance 71B.

(35) electric razor 1 has finger abutting structure, and when relative to head (apparatus main body 10) handling cutter block 60, this finger abuts structure and supplies user to place finger.Preferably, finger abuts and there is two protuberance 71B being formed at dead knife maintaining part 70 and recess 51Y, 52Y (with reference to Figure 15 (a), Figure 15 (b)) of being formed at apparatus main body 10 in the position corresponding with two protuberance 71B.Adopt this structure, the overhang of protuberance 71B increases relatively.That is, user is easy to finger to be positioned over protuberance 71B.In addition, compared with the situation of the overhang of increase protuberance 71B, the situation of obstruction when becoming shaving because protuberance 71B abuts with skin can be suppressed.

(36) electric razor 1 has across two facing protuberance 71B of dead knife 90.Adopt this structure, user can catch each protuberance 71B and unload cutter block 60 easily.

(37) protuberance 71B is formed at the part (with reference to Figure 15 (b)) of drawing the end of WA2 side, side adjacent with dead knife 90.Adopt this structure, compared with protuberance 71B being formed at the situation of the part adjacent with the end pushing away WA1 side, side, the situation of obstruction when becoming shaving hair because protuberance 71B abuts with skin can be suppressed.

(38) electric razor 1 has rib 51L (with reference to Fig. 5) and groove 75B (with reference to Fig. 8 (d)), as the limit structure that cutter block 60 only can be installed on head 50 along the direction of standard.Adopt this structure, when cutter block 60 is assembled in head 50, protuberance 71B is not configured at the end pushing away WA1 side, side.Therefore, it is possible to suppress the situation of obstruction when becoming shaving hair because protuberance 71B abuts with skin.In addition, because rib 51L is embedded in groove 75B, therefore cutter block 60 not easily departs from head 50.In addition, be easy to be confirmed whether cutter block 60 to be installed on head 50 securely.

(39) under the state of overlooking, the complete cycle of dead knife 90 is embedded in the framework 71 (with reference to Figure 14 (a)) of dead knife maintaining part 70.Adopt this structure, due to the complete cycle utilizing dead knife maintaining part 70 to keep dead knife 90, therefore, it is possible to improve the intensity of cutter block 60.In addition, the exposed surface of the dead knife 90 of the cutter block 60 after autonomous agent 10 unloads is less, and therefore user can process cutter block 60 securely.

(40) along with can the linear reciprocating motion of moving knife 100, the cutter 90 that is fixed prune and the hair being directed to the inside of dead knife maintaining part 70 near the both ends of longitudinal WA of dead knife maintaining part 70 namely near two wall portion 74.Electric razor 1 has the 1st tap 76 (with reference to Fig. 8 (c), Fig. 8 (d)) of two wall portion 74 running through dead knife maintaining part 70 on longitudinal WA.Adopt this structure, through tap 76, the hair at the both ends of the longitudinal WA near dead knife maintaining part 70 can be discharged to the outside of dead knife maintaining part 70 efficiently.Therefore, it is possible to improve the expulsion efficiency of hair.

(41) dead knife sidewall 92 with can moving knife sidewall 102 across gap facing (with reference to Figure 14 (b)).Adopt this structure, the hair of the inside being directed to dead knife 90 can be made to move to dead knife sidewall 92 and can gap between moving knife sidewall 102.Therefore, it is possible to suppress to accumulate in dead knife 90 and the situation of linear reciprocating motion can be hindered by the hair between moving knife 100.

(42) can moving knife maintaining part 80 have with dead knife sidewall 92 across the facing movement limiting portion in small gap 87 (with reference to Figure 14 (b)).Adopt this structure, the size in the gap between movement limiting portion 87 and dead knife sidewall 92 can be restricted to relative to the amount of movement of dead knife sidewall 92 on horizontal WB by moving knife 100.That is, can suppress to move relative to dead knife 90 WB transversely by moving knife 100.Thereby, it is possible to suppress to contact with cutter end 94B and heavy section 91C and the situation of the reverse side WC2 side of cutter end 94B and heavy section 91C can be entered by moving knife 100 by moving knife 100.In addition, the area of facing with dead knife sidewall 92 in movement limiting portion 87 part is less.Therefore, it is possible to reduce can the contact resistance of moving knife 100 when longitudinally WA moves relative to dead knife 90 under the state contacted with movement limiting portion 87.

(43) each wall portion 74 has: two dead knife fixed part 74A, and they contact with dead knife 90 and are fixed dead knife 90; And two spring mobile spaces 78, along with can the linear reciprocating motion of moving knife 100, two springs 61 can enter this two spring mobile spaces 78 (with reference to Figure 19 (a)) respectively.Here, when the key element pushing away WA1 side, side being positioned at longitudinal WA is called " the 1st " key element, by be positioned at longitudinal WA draw the key element of WA2 side, side to be called " the 2nd " key element time, the 1st spring mobile space 78 have can make the 1st spring 61 enter on longitudinal WA than the 1st dead knife fixed part 74A position in the outer part size (with reference to Figure 19 (b)).Equally, the 2nd spring mobile space 78 has the size (with reference to Figure 19 (c)) that the 2nd spring 61 can be made to enter into ratio the 2nd dead knife fixed part 74A position in the outer part on longitudinal WA.Adopt this structure, the size of dead knife maintaining part 70 on longitudinal WA can be reduced.

(44) end portion of leg 84 of moving knife maintaining part 80 inside (with reference to Figure 19 (a) ~ (c)) of spring mobile space 78 can be entered at the cardinal extremity of the spring fixing portion 75A than dead knife maintaining part 70 by the position of face side WC1 side.Adopt this structure, the size of cutter block 60 on depth direction WC can be reduced.

(45) under the state that dead knife 90 is installed on dead knife fixed part 74A, melting (with reference to Figure 11 (b)) is carried out to dead knife fixed part 74A.Adopt this structure, dead knife fixed part 74A and dead knife 90 can be installed securely.

(46) can moving knife 100 be installed on can to carrying out melting (with reference to Figure 12 (b)) by moving knife fixed part 85 under the state of moving knife fixed part 85.Adopt this structure, can install securely can moving knife maintaining part 80 and can moving knife 100.

(47) dead knife maintaining part 70 is in the part adjacent with each dead knife fixed part 74A, have can hooking in each hook hook part 97 of dead knife 90 each hook 74B (with reference to Figure 11 (a)).Adopt this structure, the connection between dead knife 90 and dead knife maintaining part 70 is strengthened.In addition, due to each hook 74B is formed in the part adjacent with dead knife fixed part 74A, therefore compared with the situation that will hook 74B and be formed in the part leaving dead knife fixed part 74A, the space for the formation of hooking 74B can be reduced.Thereby, it is possible to reduce the size of dead knife maintaining part 70 and dead knife 90.In addition, in the number of assembling steps (A4) of cutter block 60, the situation that dead knife 90 misplaces relative to dead knife maintaining part 70 can be suppressed.

(48) can moving knife maintaining part 80 with the adjacent part of moving knife fixed part 85 can have hook 86 (with reference to Figure 12 (a)).Can moving knife 100 the part corresponding with hook 86 have can hooking in the hook hook part 107 of hook 86.Adopt this structure, can moving knife 100 and can the connection between moving knife maintaining part 80 being strengthened.In addition, due to hook 86 is formed in can the adjacent part of moving knife fixed part 85, therefore with hook 86 is formed in leave can moving knife fixed part 85 part situation compared with, the space for the formation of hook 86 can be reduced.Thereby, it is possible to reduce can moving knife maintaining part 80 and can the size of moving knife 100.In addition, in the number of assembling steps (A1) of cutter block 60, can suppress can moving knife 100 relative to can moving knife maintaining part 80 misplace situation.

(49) as shown in Figure 27 (a), when employing the common cutter block without comb shape portion 72A, when moving towards the beard H along skin surface S in the direction of the arrow dead knife 90 being posted by skin surface S, as shown in Figure 27 (b), beard H is not sometimes made to erect.In this case, as shown in Figure 27 (c), beard H likely can pierce between the tabular surface of dead knife 90 and skin surface S.In contrast, electric razor 1 has multiple comb shape portion 72A of WA along the longitudinal at the both ends of the horizontal WB of dead knife 90.Adopt this structure, the beard H along skin surface S is directed in each slit 93 by each comb shape portion 72A, therefore, it is possible to efficiently hair to be directed to (with reference to Figure 26 (a) ~ (c)) in slit 93.In addition, can easily shaving along the beard H of skin surface S.

(50) diameter of the curved face part 72B (with reference to Figure 14 (c)) of comb shape portion 72A is less, and the part along depth direction WC of comb shape portion 72A is longer.Therefore, the diameter of curved face part 72B is less, and the beard H along skin surface S is easier to contact with the part along depth direction WC of comb shape portion 72A.Compared with when contacting with the arc sections 92A of dead knife 90 with the beard H along skin surface S, this beard H easily erects when contacting with the part along depth direction WC of comb shape portion 72A.The diameter of the curved face part 72B of comb shape portion 72A is much less than the diameter of the arc sections 92A of dead knife 90.Adopt this structure, comb shape portion 72A is easy to the beard H along skin surface S is erected.

(51) guide portion 72 of dead knife maintaining part 70 have with dead knife 90 adjacently longitudinally WA configure multiple comb shape portion 72A (unit guide portion) (with reference to Figure 14 (a)).Adopt this structure, hair can be directed in all slits 93 by electric razor 1 efficiently.It is further preferred that multiple comb shape portion 72A is arranged at the both ends of the horizontal WB in each cutter portion 94 in the mode corresponding with multiple cutter portion 94.Adopt this structure, and arrange in the mode in cutter portion 94 only corresponding to a part compared with the situation of comb shape portion 72A, can beard be made efficiently to erect.

(52) the top ends 72C of comb shape portion 72A is positioned at the position (with reference to Figure 14 (c)) leaning on reverse side WC2 side than the surface of the reverse side WC2 side of cutter end 94B.Adopt this structure, because the overhang of comb shape portion 72A is less, therefore, it is possible to reduce the amount that top ends 72C is absorbed in skin.Thereby, it is possible to alleviate the sense of discomfort that user produces because of the contact of comb shape portion 72A.

(53) framework 71 as the base end part of guide portion 72 is gone to reverse side WC2 side along with on depth direction WC, the overhang increase (with reference to Figure 13) that its self-retaining cutter 90 is outstanding.Adopt this structure, when making dead knife 90 transversely WB moving relative to skin, skin just contacts with comb shape portion 72A and dead knife 90 after contacting with framework 71, therefore, it is possible to alleviate the sense of discomfort that user produces.

(54) guide portion 72 is formed as a part (with reference to Figure 13) for framework 71.Adopt this structure, and separately form the situation of guide portion 72 with framework 71 and compare, the intensity of dead knife maintaining part 70 can be improved.

(55) dead knife 90 has the 1st location division 98, and dead knife maintaining part 70 has the 2nd location division 74C (with reference to Figure 11 (a)) of regulation dead knife maintaining part 70 relative to the position relationship of dead knife 90.1st location division 98 is arranged at the middle position of longitudinal WA of dead knife 90.2nd location division 74C is arranged at the middle position of longitudinal WA of guide portion 72 (i.e. dead knife maintaining part 70).Adopt this structure, in the central authorities of longitudinal WA of guide portion 72, relative to dead knife 90 orientation direction portion 72.Thus, with the end of the longitudinal WA in guide portion 72 relative to dead knife 90 orientation direction portion 72 situation compared with, not easily misplace between the comb shape portion 72A of guide portion 72 and the cutter portion 94 of dead knife 90.

(56) when head connecting rod 53 cutter coupling part 53B with can moving knife 100 draw the end of WA2 side, side to be connected, can moving knife 100 easily deflection draw side WA2.Therefore, can the linear reciprocating motion of moving knife 100 and sharpness unstable.In addition, when head connecting rod 53 cutter coupling part 53B with can the end pushing away WA1 side, side of moving knife 100 be connected, easily can exceedingly be pushed on dead knife 90 by moving knife 100.Therefore, in this case, can the linear reciprocating motion of moving knife 100 also unstable.In electric razor 1, the cutter coupling part 53B of head connecting rod 53 with the linking part 82 of central authorities of moving knife 100 can be connected (with reference to Figure 16 (a), Figure 16 (b)).Adopt this structure, with cutter coupling part 53B with can compared with the structure that is connected of the end of moving knife 100, can stablize the linear reciprocating motion of moving knife 100.In addition, can suppress can be partial to the situation of drawing WA2 side, side by moving knife 100, therefore, sharpness is stablized.

(57) end face of the face side WC1 side of cutter coupling part 53B and linking part 82 are across gap facing (with reference to Figure 16 (b)).Adopt this structure, cutter coupling part 53B can be suppressed can be exceedingly pushed on the situation of face side WC1 side by moving knife 100.

(58) electric razor 1 comprises that the driving force of electro-motor 21 be delivered to can the transfer part (head connecting rod 53 and relaying component 54) (with reference to Figure 16 (a), Figure 16 (b)) of moving knife 100.Transfer part has the 1st transfer part (part 1 53X, the 3rd part 53Z and relaying component 54) being formed as the shape that ZA in the axial direction extends and the 2nd transfer part (part 2 53Y) being formed as the shape extended along depth direction WC.1st transfer part comprises the relaying component 54 as accepting from the input side end of the driving force of electro-motor 21.In this example, relaying component 54 is connected (with reference to Fig. 2 (b)) by switching mechanism 30 with electro-motor 21.2nd transfer part (part 2 53Y) have as with can the cutter coupling part 53B of outlet side end that is connected of the linking part 82 of moving knife 100.Adopt this structure, cutter coupling part 53B with can the linking part 82 of moving knife 100 namely be connected on depth direction WC in the direction roughly orthogonal with the moving direction of transfer part (the 1st transfer part and the 2nd transfer part).Thus, the link between cutter coupling part 53B and linking part 82 not easily departs from.

(59) two springs 61 are arranged on across the facing position (with reference to Figure 16 (a)) of part 2 53Y.Adopt this structure, no matter can be positioned at maximum when pushing away side position or be positioned at maximum when drawing side position by moving knife 100, the pushing applied by each spring 61 can the pushing force of moving knife 100 all comparatively stable.

(60) linking part 82 is positioned at (with reference to Figure 16 (a)) on the center line C1 of this apparatus main body 10 on the axis direction ZA of apparatus main body 10.Adopt this structure, the size of electric razor 1 on the horizontal ZB of main body can be reduced.

(61) linking part 82 is positioned at (with reference to Figure 16 (a)) on the rotation centerline C2 of electro-motor 21.Adopt this structure, electro-motor 21 and can distance between moving knife 100 can be reduced, therefore, it is possible to improve drive efficiency.

(62) cutter block 60 (with reference to Figure 20 (a)) can be unloaded from head 50.Adopt this structure, can under the state unloading cutter block 60 from head 50, cleaning cutter block 60 and head 50.Therefore, easily cleaning dead knife 90, can moving knife 100 and head 50.

(63) in the common electric razor 500 shown in Figure 31 (a), can moving knife 540 and dead knife (omitting diagram) coming out from cutter housing 550 of thin-walled tabular.Adopt this structure, though can the mobile range of linear reciprocating motion of moving knife 540 smaller, also suitably can cut off chaeta.

On the other hand, known a kind of in order to make with the skin of user touch softer and have as dead knife outer cutter and be arranged on this outer cutter inner side as can the electric razor (hereinafter referred to as " internally-arranged type razor ") of cutter in moving knife.

In a mode of internally-arranged type razor, be formed with many entrance holes at the dead knife be made up of the sheet metal of thin-walled tabular.In this internally-arranged type razor, in order to the chaeta be directed in entrance hole is cut off shorter, need to make dead knife thinner.But, when making dead knife thinner, the rigidity needed for dead knife likely can be maintained.

Therefore, in order to ensure the rigidity of dead knife, can consider to increase the countermeasure that the thickness of sheet metal is such.But, when adopting this countermeasure, the amount being imported into the chaeta of entrance hole when shaving chaeta can be produced and reduces so another problem.As the method solving this problem, can consider to form multiple slit to replace multiple entrance hole at sheet metal (dead knife).

In the dead knife with multiple slit, the amount of the chaeta be imported into when can be increased in shaving chaeta.But, because the width of the short side direction of slit is larger than the diameter of entrance hole, therefore need to increase can moving knife relative to the mobile range of the linear reciprocating motion of dead knife.

In order to tackle this requirement, as the switching mechanism of above-mentioned internally-arranged type razor with slit cutter, as shown in Figure 31 (b), can consider to use the switching mechanism 530 with face gear 531.But, in this switching mechanism 530, in order to increase the mobile range of the linear reciprocating motion of the eccentric cam 532 driven by face gear 531, need the diameter increasing face gear 531.Therefore, in the switching mechanism 530 with face gear 531, when increase can the mobile range of linear reciprocating motion of moving knife time, along with the maximization of face gear 531, main body is thicker.

In contrast, in the electric razor 1 of present embodiment, the rotary motion of electro-motor 21 is converted to and the switching mechanism 30 of linear reciprocating motion of moving knife 100 can forms (with reference to Fig. 3) by linkage.Adopt this structure, compared with the switching mechanism 530 with face gear 531, even if reduce the size of switching mechanism 30 on the horizontal ZB of main body, also can guarantee can the mobile range of linear reciprocating motion required by moving knife 100.Therefore, apparatus main body 10 can be made to attenuate.Thus, the switching mechanism 30 be made up of linkage can for increase can moving knife 100 linear reciprocating motion mobile range and housing 10A is attenuated contribute.

(64) in switching mechanism 30, the 2nd arm 31B with rotating shaft 31C for fulcrum extends (reference Fig. 3) along the direction different from the 1st arm 31A.Adopt this structure, the shape extended along equidirectional for fulcrum with rotating shaft 31C with the 1st arm 31A and the 2nd arm 31B is compared, namely compared with being formed as the structure of linearity with the 1st connecting rod 31, on the axis direction ZA of electric razor 1, the swing along with the 1st arm 31A of the 2nd arm 31B and the amplitude of fluctuation that swings increases.Therefore, can moving knife 100 linear reciprocating motion mobile range increase.

(65) centerline parallel of the center line of eccentric shaft 24 and the output shaft 22 of electro-motor 21.In addition, the center line of eccentric shaft 24 and the operating surface 18C of power switch 18 parallel (with reference to Fig. 3).Adopt this structure, eccentric shaft 24 length in the axial direction can not be restricted by configuration operation face 18C.Therefore, the free degree of the shape of eccentric shaft 24 improves.

(66) in the 1st connecting rod 31, as shown in Figure 3, as comprise importation 31D the 1st arm 31A length the 1st distance D1 than as the 2nd arm 31B length the 2nd distance D2 grow.Adopt this structure, with the 2nd distance D2 be more than or equal to the 1st distance D1 structure compared with, utilize the linear reciprocating motion of the 1st connecting rod 31 that the power of the 2nd connecting rod 32 movement is increased.Therefore, make can moving knife 100 movement power increase.

(67) head 50 has disengage button 55 (with reference to Fig. 1).Adopting this structure, when upward ZA1 pushing away disengage button 55 under the state that head 50 is installed on cutter block 60, cutter block 60 being locked in head 50.Therefore, it is possible to prevent head 50 from departing from cutter block 60.

(68) electric razor 1 has the current insurance silk 46 (with reference to Fig. 3) that can cut off from secondary cell 17 to the power supply of electro-motor 21.Adopt this structure, when electro-motor 21 is short-circuited, utilize the action of current insurance silk 46 to cut off from secondary cell 17 to the power supply of electro-motor 21.Therefore, it is possible to suppress overcurrent to flow to electro-motor 21.

The present invention includes embodiment different from the embodiment described above.Below, the variation of the above-mentioned embodiment as another embodiment of the present invention is described.In addition, following each variation also can combination with one another.

The dust protection rubber 16 of embodiment has the central portion 16A (" tip side protuberance ") that ZA1 is outstanding upward.And the dust protection rubber 16 of variation has smooth central portion 16A.

The dust protection rubber 16 of embodiment has the central portion 16A (" tip side protuberance ") that ZA1 is outstanding upward.And the dust protection rubber 16 of variation has the central portion 16A that ZA2 is outstanding downwards.In this case, the central portion 16A that ZA2 gives prominence to downwards is set to " the base end side protuberance " that divide component.

The dust protection rubber 16 of embodiment has the central portion 16A (" tip side protuberance ") that ZA1 is outstanding upward.And the dust protection rubber 16 of variation has the central portion 16A (" tip side protuberance ") that ZA1 the is outstanding upward and peripheral part 16B (" base end side protuberance ") that ZA2 is outstanding downwards.In the structure shown here, the load putting on dust protection rubber 16 can be reduced further.In addition, the dust protection rubber 16 of another variation has the central portion 16A (" base end side protuberance ") that ZA2 the is outstanding and peripheral part 16B (" tip side protuberance ") that ZA1 is outstanding upward downwards.

The dust protection rubber 16 of embodiment has through hole 16P in the inner side of central portion 16A.And the dust protection rubber 16 of variation has through hole 16P at peripheral part 16B.

The dust protection rubber 16 of embodiment is installed on the 2nd housing 12.And the dust protection rubber 16 of variation is installed on head shell 50A.

The dust protection rubber 16 of above-mentioned embodiment is installed on the 3rd connecting rod 33 forming transfer part.And the dust protection rubber 16 of variation is installed on the rotating member 23 forming converter section.

The apparatus main body 10 of above-mentioned embodiment has the dust protection rubber 16 formed by elastomeric material and is used as dividing component.And the apparatus main body 10 of variation has the division component formed by the resin material or fibrous material with flexibility.In this case, a part for division component by flexure, give prominence to upward by ZA1 side or ZA2 side, below.

The dust protection rubber 16 of embodiment contacts with the complete cycle of the inner surface of the 2nd housing 12.And the dust protection rubber 16 of variation contacts with a part for the inner surface of the 3rd connecting rod 33.In this case, the part being configured with dust protection rubber 16 also can make soft flocks etc. not easily enter base end side space RB.

2nd housing 12 of embodiment has the groove portion 12A embedded for dust protection rubber 16.And the 2nd housing 12 of variation eliminates groove portion 12A.In this case, the friction between the inner surface of the edge 16C of dust protection rubber 16 and the 2nd housing 12 can be utilized to the situation suppressing dust protection rubber 16 to depart from the inner surface of the 2nd housing 12.

In the reverse side support 73A of embodiment, thin-wall face is recessed into than heavy wall in the face of portion 73B is by the position of reverse side WC2 side portion 73C.And at the reverse side support 73A of variation, thin-wall face to portion 73C and heavy wall in the face of portion 73B is formed at grade.

The reverse side support 73A of embodiment has thin-wall face to portion 73C.And the reverse side support 73A of variation eliminates thin-wall face to portion 73C.

In the reverse side support 73A of embodiment, thin-wall face is recessed into than heavy wall in the face of portion 73B is by the position of reverse side WC2 side portion 73C.And at the reverse side support 73A of variation, thin-wall face is projected into than heavy wall in the face of portion 73B is by the position of face side WC1 side portion 73C.In this case, thin-wall face can contact with thinner wall section 91B to portion 73C, also can not contact with thinner wall section 91B.

The reverse side support 73A of embodiment has two heavy walls respectively in the face of portion 73B.And the reverse side support 73A of variation eliminates the side of two heavy walls in portion 73B.

The dead knife maintaining part 70 of embodiment has reverse side support 73A respectively at the both ends of longitudinal WA.And the dead knife maintaining part 70 of variation eliminates the side in two reverse side support 73A.

In the dead knife 90 of embodiment, between the heavy section 91C at the both ends of horizontal WB, be formed with thinner wall section 91B.And in the dead knife 90 of variation, be formed with thinner wall section 91B at the both ends of horizontal WB, between two thinner wall section 91B, be formed with heavy section 91C.In addition, in this case, in reverse side support 73A, be formed with thin-wall face at the both ends of horizontal WB to portion 73C, between two thin-wall face are to portion 73C, be formed with heavy wall in the face of portion 73B.

The converter section of embodiment is made up of the linkage comprising rotating member 23, eccentric shaft 24, roller 25, the 1st connecting rod 31 and the 2nd connecting rod 32.And the converter section of variation is made up of the gear mechanism with face gear.

In the dead knife 90 of embodiment, end slot width S D is larger than middle slit width S A.In addition, cutter wide BD in end is less than the wide BA of intermediate knife.And as shown in figure 28, in the dead knife 90 of variation, slit width and cutter wide constant.

The dead knife 90 of embodiment has the fixed part 96 of the fractional open of this side of reverse side WC2.And as shown in figure 28, the dead knife 90 of variation has the fixed part 96 of the circle of open portion.In this case, as shown in figure 28, dead knife maintaining part 70 has the dead knife fixed part 74A corresponding with the shape of fixed part 96.

Embodiment can have the fixed part 106 of the fractional open of this side of reverse side WC2 by moving knife 100.And as shown in figure 28, variation can have the fixed part 106 of open portion by moving knife 100.In this case, as shown in figure 28, can moving knife maintaining part 80 have corresponding with the shape of fixed part 106 can moving knife fixed part 85.

Can the slit 103 of moving knife 100 tilting relative to horizontal WB of embodiment.And as shown in figure 28, variation can the slit 103 of moving knife 100 parallel with horizontal WB.

The dead knife maintaining part 70 of embodiment has the framework 71 corresponding with the complete cycle of dead knife 90.And as shown in figure 28, in the dead knife maintaining part 70 of variation, the both ends of the horizontal WB of framework 71 are open.

Under the state of dead knife fixed part 74A dead knife 90 being installed on embodiment, melting is carried out to this fixed part 74A.And melting is not carried out to the dead knife fixed part 74A of variation.

Can moving knife 100 be installed on embodiment can carry out melting to this fixed part 65 under the state of moving knife fixed part 85.And melting can be carried out by moving knife fixed part 85 not to variation.

The shaving face 90A of embodiment is parallel with horizontal WB.And as shown in figure 29, the shaving face 90A of variation has the chamfer shape comprising rake 94C.The surface of the face side WC1 side of this rake 94C tilts relative to horizontal WB.In addition, as shown in figure 30, also the whole shaving face 90A of dead knife 90 can be formed as the little curved surface of steepness.

In the variation shown in Figure 29 and Figure 30, the degree being absorbed in skin surface at the ora terminalis of 90A place, shaving face slit 93 can be relaxed.Therefore, it is possible to alleviate the stimulation to skin surface, and successfully can scrape and shave the beard.In addition, consider and will push shaving face 90A to skin, do not reduce with the contact area of skin.Instead the area of the shaving face 90A of dead knife 90 increases, and therefore, shaving efficiency is improved.

The dead knife 90 of embodiment has the slit 93 of transversely WB extension.And the dead knife 90 of variation has the slit extended obliquely relative to horizontal WB.

The dead knife 90 of embodiment has smooth shaving face 90A.And the dead knife 90 of variation has bending shaving face 90A.In addition, in bending shaving face 90A, also preferably increase the contact area with skin.

In the dead knife 90 of embodiment, dead knife sidewall 92 and top 91 are vertically connected to top 91.And in the dead knife 90 of variation, dead knife sidewall 92 and top 91 are connected to top 91 obliquely.

The dead knife 90 of embodiment has dead knife sidewall 92 and the top 91 of linearity.And the dead knife 90 of variation is formed by the dead knife sidewall bent and top.The dead knife 90 of another variation has multiple flexure plane.In a word, suitably can change in the scope can guaranteeing the intensity needed for dead knife 90.

The dead knife 90 of embodiment has the U-shaped formed by top 91 and two dead knife sidewalls 92.And the dead knife 90 of variation eliminates the dead knife sidewall 92 of a side.In addition, the dead knife 90 of another variation eliminates two dead knife sidewalls 92.In a word, as long as utilize dead knife maintaining part 70 to support the both ends in each bar portion (support strip portion 91A and cutter portion 94), just can guarantee as the intensity needed for dead knife.

The whole cutter pars intermedia 94A of the dead knife 90 of embodiment has rectilinear form.And a part of the cutter pars intermedia 94A of the dead knife 90 of variation has rectilinear form.

In the dead knife 90 of embodiment, the thickness of the Thickness Ratio cutter end 94B of cutter pars intermedia 94A is little.And in the dead knife 90 of variation, the thickness of the Thickness Ratio cutter end 94B of cutter pars intermedia 94A is large or equal with it.

In the dead knife 90 of embodiment, cutter wide BD in end is less than end slot width S D.And in the dead knife 90 of variation, cutter wide BD in end is larger than end slot width S D, or cutter wide BD in end is equal with end slot width S D.

The cutter end 94B of embodiment has rake 94C and line part 94D (with reference to Fig. 7 (d)).And the cutter end 94B of variation eliminates the one in rake 94C and line part 94D.

The cutter end 94B of embodiment has the rake 94C of linearly inclination.And the rake 94C of variation is bending.

In the cutter block 60 of embodiment, spring 61 is helical spring.And the spring 61 of variation is leaf spring.

In the electric razor 1 of embodiment, as the limit structure for cutter block 60 to be installed on head 50 along the direction of standard, cutter block 60 is provided with groove 75B, head 50 is provided with rib 51L.And in the limit structure of variation, cutter block 60 is provided with rib, head 50 is provided with groove.

In the electric razor 1 of embodiment, as the limit structure for cutter block 60 to be installed on head 50 along the direction of standard, cutter block 60 is provided with groove 75B, head 50 is provided with rib 51L.And in the cutter block 60 and head 50 of variation, eliminate limit structure.In this case, under the state that also can have rotated 180 degree at cutter block 60 relative to the direction of standard, cutter block 60 is installed on head 50.

When overlooking cutter block 60, the framework 71 of embodiment covers the complete cycle of dead knife 90.And when overlooking cutter block 60, a part for framework 71 covering dead knives 90 of variation.

The dead knife maintaining part 70 of embodiment is integrally formed as formed products.And for the dead knife maintaining part 70 of variation, separately form framework and standing part.

At embodiment can in moving knife 100, whole top 101 overlaps with the cutter pars intermedia 94A of dead knife 90.And when variation can moving knife 100, the part at top 101 overlaps with the cutter pars intermedia 94A of dead knife 90, and the another part at top 101 overlaps with cutter end 94B.

For embodiment can moving knife 100, when cutter relative position is positioned at neutral position, can the overlapping with all cutter portions 94 of dead knife 90 at least partially of cutter portion 104 of moving knife 100.And for variation can moving knife 100, when cutter relative position is in neutral position, can the overlapping with a part of cutter portion 94 of dead knife 90 at least partially of cutter portion 104 of moving knife 100.

The dead knife maintaining part 70 of embodiment has hook 74B respectively in the part adjacent with each dead knife fixed part 74A.And the dead knife maintaining part 70 of variation eliminates 4 at least 1 hook 74B hooked in 74B.

The dead knife maintaining part 70 of embodiment has guide portion 72.And the dead knife maintaining part 70 of variation eliminates guide portion 72.

Guide portion 72 and the dead knife maintaining part 70 of embodiment form as one.And the guide portion of variation and dead knife maintaining part 70 are separately formed.

The comb shape portion 72A of the guide portion 72 of embodiment is corresponding with all cutter portions 94 of dead knife 90.And the guide portion 72 of variation is corresponding with the part in multiple cutter portion 94.Such as 1 comb shape portion 72A is set at interval of 5 slits 93.That is, the empty standard width of a room in an old-style house of corresponding with several cutter portions 94 comb shape portion 72A every.In addition, in this variation, can make the stimulation of skin smaller.

In the guide portion 72 of embodiment, top ends 72C is positioned at the position (with reference to Figure 14 C) leaning on reverse side WC2 side than the surface of the reverse side WC2 side of cutter end 94B.And in the guide portion 72 of variation, top ends 72C is positioned at the position leaning on face side WC1 side than the surface of the reverse side WC2 side of cutter end 94B.In addition, top ends 72C is located the position by reverse side WC2 side, the stimulation that more can reduce skin.In addition, top ends 72C is located the position by face side WC1 side, more can improve the efficiency that beard H is erected.

In the guide portion 72 of embodiment, the diameter of the curved face part 72B of comb shape portion 72A is less than the diameter of arc sections 92A (with reference to Figure 14 C).And in the guide portion 72 of variation, the diameter of the curved face part 72B of comb shape portion 72A is larger than the diameter of arc sections 92A.In addition, the diameter of the curved face part 72B of comb shape portion 72A is less, more can improve the efficiency that beard is erected.In addition, the diameter of the curved face part 72B of comb shape portion 72A is larger, the stimulation that more can reduce skin.

In the guide portion 72 of embodiment, the surface of the face side WC1 side of top ends 72C is formed as the surface (with reference to Figure 14 C) parallel with horizontal WB.And in the guide portion 72 of variation, along with away from dead knife 90, the surface of the face side WC1 side of top ends 72C is downward-sloping.In this case, the surface of this top ends 72C also can be made to be formed as curved surface or arc surface.In this case, more smooth and easy with the contact of skin.

The dead knife maintaining part 70 of embodiment has the 2nd location division 74C in the central authorities of longitudinal WA of dead knife maintaining part 70.And the dead knife maintaining part 70 of variation has the 2nd location division in the end of longitudinal WA of dead knife maintaining part 70.In this case, the 1st location division 98 of dead knife 90 is altered to the position corresponding with the 2nd location division of dead knife maintaining part 70.

The dead knife maintaining part 70 of embodiment has the 2nd location division 74C in the central authorities of longitudinal WA of dead knife maintaining part 70.And the dead knife maintaining part 70 of variation is between the end pushing away WA1 side, side and central authorities of longitudinal WA of dead knife maintaining part 70, or between the end of drawing WA2 side, side and central authorities, there is the 2nd location division.In this case, the 1st location division 98 of dead knife 90 is altered to the position corresponding with the 2nd location division of dead knife maintaining part 70.

The dead knife maintaining part 70 of embodiment has two protuberance 71B.And the dead knife maintaining part 70 of variation eliminates the side in two protuberance 71B.

The dead knife maintaining part 70 of embodiment has two protuberance 71B and recess 51Y, 52Y abut structure as finger.And the dead knife maintaining part 70 of variation only has recess 51Y, 52Y as finger abutting structure.

Two protuberance 71B of embodiment and recess 51Y, 52Y are positioned at the end of drawing WA2 side, side of dead knife maintaining part 70.And two of variation protuberance 71B and recess 51Y, 52Y are positioned at the end pushing away WA1 side, side of dead knife maintaining part 70.

Two protuberance 71B of embodiment and recess 51Y, 52Y to be formed on horizontal WB across dead knife 90 and the part adjacent with dead knife 90.And two of variation protuberance 71B and recess 51Y, 52Y to be formed on longitudinal WA across dead knife 90 and the part adjacent with dead knife 90.

Embodiment can moving knife maintaining part 80 with respectively the adjacent part of moving knife fixed part 85 can have hook 86 respectively.And moving knife maintaining part 80 can the eliminating two at least one hook in 86 and hook 86 of variation.

Embodiment moving knife maintaining part 80 the adjacent part of moving knife fixed part 85 can have hook 86 respectively with two.And variation moving knife maintaining part 80 the adjacent part of moving knife fixed part 85 can have hook 86 with 4 respectively.

In embodiments, the central authorities of longitudinal WA of moving knife maintaining part 80 linking part 82 can be provided with.And in variation, the end of longitudinal WA of moving knife maintaining part 80 can be provided with linking part.

In embodiments, the central authorities of longitudinal WA of moving knife maintaining part 80 linking part 82 can be provided with.And in variation, can between the central authorities of longitudinal WA of moving knife maintaining part 80 and the end pushing away WA1 side, side, or can moving knife maintaining part 80 longitudinal WA central authorities and draw between the end of WA2 side, side and be provided with linking part.

On the center line C1 that the linking part 82 of embodiment is positioned at apparatus main body 10 and on the rotation centerline C2 of electro-motor 21.And the linking part 82 of variation is arranged in and has separated the position of predetermined distance from least one of the center line C1 of apparatus main body 10 and the rotation centerline C2 of electro-motor 21.In addition, when linking part 82 be arranged in separated the position of predetermined distance from the one of the center line C1 of the apparatus main body 10 and rotation centerline C2 of electro-motor 21, the center line C1 of the apparatus main body 10 and rotation centerline C2 of electro-motor 21 is also inconsistent.

The cutter block 60 of embodiment has two springs 61.And the cutter block 60 of variation has the spring of more than 1 or 3.

The head 50 of embodiment has head connecting rod 53 and relaying component 54.And the head 50 of variation eliminates relaying component 54.In this case, head connecting rod 53 is connected with the 3rd connecting rod 33 with the state that can rotate relative to the 3rd connecting rod 33.

In the electric razor 1 of embodiment, to apparatus main body 10 securement head 50, and can unload head portion 50 from apparatus main body 10.And in the electric razor 1 of variation, head 50 and apparatus main body 10 form as one.

The electric razor 1 of embodiment only has 1 slit cutter as dead knife 90.And the electric razor 1 of variation has multiple slit cutter as dead knife 90.

The electric razor 1 of embodiment only has slit cutter as dead knife 90.And the electric razor 1 of variation has at least one in slit cutter and netted cutter as dead knife 90.

The switching mechanism 30 of embodiment has the 1st connecting rod 31, the 2nd connecting rod 32 and the 3rd connecting rod 33.And the switching mechanism 30 of variation eliminates the 2nd connecting rod 32.In the structure shown here, the 2nd arm 31B of the 1st connecting rod 31 is connected with the 3rd connecting rod 33 with the state that can rotate relative to the 3rd connecting rod 33.

In the 1st connecting rod 31 of switching mechanism 30 being arranged at embodiment, the 1st distance D1 as the length of the 1st arm 31A is longer than the 2nd distance D2 of the length as the 2nd arm 31B.And in the 1st connecting rod 31 of switching mechanism 30 being arranged at variation, the 2nd distance D2 is set to be less than or equals the 1st distance D1.

In the apparatus main body 10 of embodiment, eccentric shaft 24 is provided with roller 25, the 1st connecting rod 31 is provided with importation 31D.And in the apparatus main body 10 of variation, be provided with the importation had with importation 31D same function at eccentric shaft 24, the 1st connecting rod 31 is provided with the roller had with roller 25 same function.In this case, the importation of variation has the relation identical with importation 31D with the roller 25 of embodiment with roller.

The direction of the center line of the bolster 34 of the switching mechanism 30 of embodiment is parallel with the horizontal ZB of main body.And the direction of the center line of the bolster 34 of the switching mechanism 30 of variation is parallel with subject depth direction ZC.In the structure shown here, when the output shaft 22 of electro-motor 21 rotates, the 1st arm 31A with rotating shaft 31C for fulcrum carries out linear reciprocating motion on the horizontal ZB of main body.

In the cutter block 60 of embodiment, linear reciprocating motion can be carried out by moving knife 100 on the direction that the length direction of the slit 93 with dead knife 90 is orthogonal.And in the cutter block 60 of variation, the length direction of the slit 93 of dead knife 90 and can moving knife 100 linear reciprocating motion direction with from orthogonal different angular cross.The length direction of the slit 93 of such as dead knife 90 is relative to can the direction of linear reciprocating motion of moving knife 100 tilt.

The eccentric shaft 24 of the drive unit 20 of embodiment is fixed on rotating member 23.And the drive unit 20 of variation has rotating member 23 and eccentric shaft 24 forms as one the rotating member of such structure to replace rotating member 23 and eccentric shaft 24.The rotating member of this variation has and the rotating member 23 of embodiment and the equal function of eccentric shaft 24.In addition, the structure formed as one represents that the material by identical is formed as the structure of solid memder.

The rotating member 23 of the drive unit 20 of embodiment is fixed on output shaft 22.And the drive unit 20 of variation has output shaft 22 and rotating member 23 forms as one the output shaft of such structure to replace output shaft 22 and rotating member 23.The output shaft of this variation has and the output shaft 22 of embodiment and the equal function of rotating member 23.In addition, the structure formed as one represents that the material by identical is formed as the structure of solid memder.

In the electric razor 1 of embodiment, the direction of the center line of bolster 34 is parallel with the imaginary plane of the operating surface 18C of power switch 18.And the electric razor 1 of variation has the center line bolster orthogonal with the imaginary plane of operating surface 18C to replace bolster 34.In this case, the sidepiece of the horizontal ZB of the main body of the 1st housing 11 is provided with power switch 18.The bolster of this variation has the function equal with the bolster 34 of embodiment.

When observing cutter block 60 from front, longitudinal WA of the dead knife 90 of embodiment is consistent with the axis direction ZA of apparatus main body 10.And when observing cutter block 60 from front, longitudinal WA of the dead knife 90 of variation is orthogonal with the axis direction ZA of apparatus main body 10.

The electric razor 1 of embodiment, except employ this point of linkage in switching mechanism 30 except, also has various constructional feature.Thus, in other embodiments of the present invention, the rotation of electro-motor 21 (drive source) being converted to and the reciprocating switching mechanism of moving knife 100 (interior cutter) can may not being defined in linkage, also can be other drive transmission mechanisms.Such as shown in figure 32, End gear mechanism 300 can also be used as switching mechanism to replace linkage.In addition, in Figure 32, to the structure similar with above-mentioned embodiment, mark the Reference numeral identical with above-mentioned embodiment.End gear mechanism 300 has that the rotation of the output shaft 22 of electro-motor 21 be converted to can the reciprocating torque axis converting mechanism 310 of moving knife 100.The arm 316 that torque axis converting mechanism 310 comprises the face gear 312 engaged with the output shaft 22 of electro-motor 21, the output shaft 314 rotated integrally with face gear 312 and is installed on output shaft 314.The top of arm 316 is installed on can moving knife maintaining part 80.Further, when electro-motor 21 rotates, arm 316 carries out reciprocating action on longitudinal WA.Thus, what be installed on the top of arm 316 moving knife maintaining part 80 can carry out reciprocating action on longitudinal WA, that is, be held in can moving knife maintaining part 80 can carry out reciprocating action by moving knife 100 on longitudinal WA.

Below, the technical characteristic based on disclosure of the present invention is described.

note 1

A kind of electric razor, is characterized in that having:

Outer cutter;

Interior cutter, it is arranged on the inner side of above-mentioned outer cutter, and can carry out reciprocating action relative to this outer cutter;

The main body of elongate, it is configured with above-mentioned outer cutter and above-mentioned interior cutter;

Drive source, it is arranged in aforementioned body, and for making above-mentioned interior cutter carry out reciprocating action relative to above-mentioned outer cutter;

It is corresponding with the length direction of this interior cutter and the axis direction of aforementioned body that above-mentioned outer cutter and above-mentioned interior cutter are configured to this outer cutter, and the reciprocating action direction of above-mentioned interior cutter is corresponding with the axis direction of aforementioned body.

note 2

Electric razor according to note 1, is characterized in that,

Above-mentioned outer cutter comprises:

Multiple slit, they extend along the direction orthogonal with the moving direction of above-mentioned interior cutter;

Bar portion, its between above-mentioned multiple slit and two ends supported.

note 3

Electric razor according to note 1 or 2, is characterized in that,

The cross section of above-mentioned outer cutter is formed as U-shaped.

note 4

Electric razor according to note 1 or 2, is characterized in that,

The length direction of above-mentioned outer cutter tilts relative to the axis direction of aforementioned body.

note 5

Electric razor according to note 1 or 2, is characterized in that,

This electric razor also has head, and this head is arranged on the top ends of aforementioned body, and above-mentioned outer cutter and above-mentioned interior cutter are configured at this head, and this head has the width less than the diameter of aforementioned body.

note 6

Electric razor according to note 1 or 2, is characterized in that,

Above-mentioned outer cutter and above-mentioned interior cutter can be installed on aforementioned body and can unload from aforementioned body.

note 7

Electric razor according to note 1 or 2, is characterized in that,

This electric razor also has the guiding teat of comb shape, and this guiding teat is arranged near above-mentioned outer cutter, can guide beard to above-mentioned outer cutter.

note 8

A kind of electric razor, is characterized in that having:

The housing of tubular:

Drive source, it is accommodated in above-mentioned housing;

Switching mechanism, the rotation of above-mentioned drive source is converted to linear reciprocating motion by it;

Can moving knife, itself and above-mentioned switching mechanism interlock and carry out linear reciprocating motion;

Above-mentioned switching mechanism above-mentionedly can the linkage of linear reciprocating motion of moving knife to be formed by the rotation of above-mentioned drive source being converted to.

note 9

Electric razor according to note 8, is characterized in that,

This electric razor also has dead knife, this dead knife be set to above-mentioned can moving knife facing, this dead knife has multiple slit, and the length direction of above-mentioned slit can the direction of linear reciprocating motion of moving knife intersect with above-mentioned.

note 10

Electric razor according to note 8, is characterized in that,

Aforementioned link mechanism comprises:

1st connecting rod, the rotation of the output shaft of above-mentioned drive source is converted to the linear reciprocating motion in the direction orthogonal with above-mentioned output shaft by it;

2nd connecting rod, its linear reciprocating motion of above-mentioned 1st connecting rod is converted to above-mentioned can the linear reciprocating motion of moving knife.

note 11

Electric razor according to note 10, is characterized in that,

This electric razor also has eccentric shaft, utilize above-mentioned drive source that this eccentric shaft is rotated, and this eccentric shaft has the center line relative to above-mentioned output shaft bias,

Above-mentioned 1st connecting rod comprises:

Importation, it is connected with this eccentric shaft with the state that can rotate relative to above-mentioned eccentric shaft;

Output, it is connected with the 2nd connecting rod with the state that can rotate relative to above-mentioned 2nd connecting rod.

note 12

Electric razor according to note 11, is characterized in that,

Aforementioned link mechanism comprises direction of transfer limiting mechanism, the rotation composition acting on the direction of 1st axis orthogonal with the center line of above-mentioned eccentric shaft of above-mentioned eccentric shaft is delivered to the importation of above-mentioned 1st connecting rod by this direction of transfer limiting mechanism, and acts on not by above-mentioned eccentric shaft the importation being delivered to above-mentioned 1st connecting rod with the rotation composition in the direction of the 2nd axis of the center line of above-mentioned eccentric shaft and above-mentioned 1st axis vertical take-off.

note 13

Electric razor according to note 11 or 12, is characterized in that,

Aforementioned link mechanism also comprise the linear reciprocating motion of above-mentioned 2nd connecting rod is delivered to above-mentioned can the 3rd connecting rod of moving knife,

Above-mentioned housing comprises the leader moving direction of above-mentioned 3rd connecting rod being restricted to a direction.

note 14

Electric razor according to note 11 or 12, is characterized in that,

Above-mentioned 1st connecting rod also comprises mid portion, and above-mentioned importation and above-mentioned output are joined to one another by this mid portion, and this mid portion plays function as the pivot of above-mentioned 1st connecting rod,

Above-mentioned output has the shape extended along the direction different with above-mentioned importation in the plane orthogonal from the pivot of above-mentioned 1st connecting rod.

note 15

Electric razor according to note 8, is characterized in that,

This electric razor also has eccentric shaft, and this eccentric shaft revolves round the sun around the output shaft of above-mentioned drive source, and the rotation of above-mentioned output shaft is delivered to aforementioned link mechanism,

The direction of the direction of the center line of above-mentioned output shaft and the center line of above-mentioned eccentric shaft is parallel to each other.

note 16

Electric razor according to note 15, is characterized in that,

Aforementioned link mechanism comprises:

1st connecting rod, the rotation of the output shaft of above-mentioned drive source is converted to the linear reciprocating motion in the direction orthogonal with above-mentioned output shaft by it;

2nd connecting rod, its linear reciprocating motion of above-mentioned 1st connecting rod is converted to above-mentioned can the linear reciprocating motion of moving knife.

note 17

Electric razor according to note 16, is characterized in that,

Above-mentioned 1st connecting rod comprises:

Importation, it is connected with this eccentric shaft with the state that can rotate relative to above-mentioned eccentric shaft;

Output, it is connected with the 2nd connecting rod with the state that can rotate relative to above-mentioned 2nd connecting rod;

Mid portion, above-mentioned importation and above-mentioned output are joined to one another by it, and this mid portion plays function as the pivot of above-mentioned 1st connecting rod;

As from above-mentioned mid portion to the 1st distance of the length on the top of above-mentioned importation than as the 2nd distance from above-mentioned mid portion to the length on the top of above-mentioned output.

note 18

Electric razor according to note 16, is characterized in that,

Above-mentioned 1st connecting rod comprises:

Importation, it is connected with this eccentric shaft with the state that can rotate relative to above-mentioned eccentric shaft;

Output, it is connected with the 2nd connecting rod with the state that can rotate relative to above-mentioned 2nd connecting rod;

Mid portion, above-mentioned importation and above-mentioned output are joined to one another by it, and this mid portion plays function as the pivot of above-mentioned 1st connecting rod;

Above-mentioned output has the shape extended along the direction different with above-mentioned importation in the plane orthogonal from the pivot of above-mentioned 1st connecting rod.

note 19

Electric razor according to note 18, is characterized in that,

Aforementioned link mechanism also comprise the linear reciprocating motion of above-mentioned 2nd connecting rod is delivered to above-mentioned can the 3rd connecting rod of moving knife,

Above-mentioned housing comprises the leader moving direction of above-mentioned 3rd connecting rod being restricted to a direction.

note 20

Electric razor according to note 8, is characterized in that,

This electric razor also has:

Switch, it has operating surface, for switching the driving of above-mentioned drive source and stopping;

Eccentric shaft, its output shaft around above-mentioned drive source revolves round the sun, and the rotation of above-mentioned output shaft is delivered to aforementioned link mechanism;

Above-mentioned eccentric shaft is positioned at the position corresponding with above-mentioned switch in above-mentioned housing;

The center line of the imaginary plane parallel with the operating surface of above-mentioned switch and above-mentioned eccentric shaft is parallel to each other.

note 21

Electric razor according to note 20, is characterized in that,

Aforementioned link mechanism has:

1st connecting rod, the rotation of the output shaft of above-mentioned drive source is converted to the linear reciprocating motion in the direction orthogonal with above-mentioned output shaft by it;

2nd connecting rod, its linear reciprocating motion of above-mentioned 1st connecting rod is converted to above-mentioned can the linear reciprocating motion of moving knife.

note 22

Electric razor according to note 21, is characterized in that,

Aforementioned link mechanism also comprise the linear reciprocating motion of above-mentioned 2nd connecting rod is delivered to above-mentioned can the 3rd connecting rod of moving knife,

Above-mentioned housing comprises the leader moving direction of above-mentioned 3rd connecting rod being restricted to a direction.

note 23

Electric razor according to note 21 or 22, is characterized in that,

Above-mentioned 1st connecting rod comprises:

Importation, it is connected with this eccentric shaft with the state that can rotate relative to above-mentioned eccentric shaft;

Output, it is connected with the 2nd connecting rod with the state that can rotate relative to above-mentioned 2nd connecting rod;

Mid portion, above-mentioned importation and above-mentioned output are joined to one another by it, and this mid portion plays function as the pivot of above-mentioned 1st connecting rod;

Above-mentioned electric razor also has bolster, and this bolster can carry out relative to above-mentioned housing the above-mentioned mid portion of state support that rotates to make above-mentioned mid portion;

The center line of above-mentioned imaginary plane and above-mentioned bolster is parallel to each other.

note 24

A kind of electric razor, is characterized in that,

This electric razor has the interior cutter and outer cutter that carry out relative linear reciprocating motion,

Above-mentioned outer cutter is the slit cutter with multiple slit and multiple cutter portion,

Be that longitudinally the size of each cutter portion in above-mentioned longitudinal direction is set as that cutter is wide, and the size of each slit in above-mentioned longitudinal direction is set as slit width, above-mentioned slit width is wider than above-mentioned cutter little by the direction setting of above-mentioned linear reciprocating motion,

Above-mentioned multiple cutter portion comprises respectively:

Two cutter ends, when overlooking above-mentioned outer cutter, these two cutter ends are in the both sides that are positioned laterally at above-mentioned cutter portion orthogonal with above-mentioned longitudinal direction;

Cutter pars intermedia, they are between above-mentioned two cutter ends;

Above-mentioned cutter pars intermedia has rectilinear form.

note 25

Electric razor according to note 24, is characterized in that,

Above-mentioned multiple slit comprises respectively:

Two slit end, it is in the above-mentioned both sides being positioned laterally at above-mentioned slit;

Slit pars intermedia, they are between above-mentioned two slit end;

The above-mentioned slit width of above-mentioned slit end is larger than the above-mentioned slit width of above-mentioned slit pars intermedia.

note 26

Electric razor according to note 25, is characterized in that,

The above-mentioned slit width of above-mentioned slit end is more roomy than the above-mentioned cutter of above-mentioned cutter end.

note 27

According to the electric razor in note 24 ~ 26 described in any one, it is characterized in that,

Above-mentioned interior cutter is included in above-mentioned two the interior cutter ends being positioned laterally at the both sides of above-mentioned interior cutter,

The above-mentioned cutter pars intermedia of above-mentioned outer cutter above-mentioned transversely with the partially overlapping from cutter end in cutter end to the opposing party in a side of two interior cutter ends of above-mentioned interior cutter.

note 28

According to the electric razor in note 24 ~ 26 described in any one, it is characterized in that,

The thickness of the above-mentioned cutter end of the above-mentioned outer cutter of Thickness Ratio of the above-mentioned cutter pars intermedia of above-mentioned outer cutter is little.

note 29

According to the electric razor in note 24 ~ 26 described in any one, it is characterized in that,

Above-mentioned interior cutter relative to above-mentioned outer cutter pushing away side position via neutral position until maximum drawing in the scope of side position is moved from maximum,

The above-mentioned maximum side position that pushes away represents that in above-mentioned longitudinal direction above-mentioned interior cutter moves to by pushing away the position during position of side relative to above-mentioned outer cutter,

Above-mentioned maximum draw side position to represent in above-mentioned longitudinal direction above-mentioned interior cutter moves to by drawing the position during position of side relative to above-mentioned outer cutter,

Above-mentioned neutral position represents above-mentioned and maximumly pushes away side position and above-mentioned maximum position of drawing neutrality between side position,

Above-mentioned multiple slit is included in two end slits of the both sides above-mentioned longitudinal direction being positioned at above-mentioned outer cutter,

Above-mentioned multiple cutter portions of above-mentioned outer cutter are positioned between above-mentioned two end slits, and when overlooking above-mentioned outer cutter, above-mentioned multiple cutter portion of above-mentioned outer cutter overlaps with the cutter portion of above-mentioned interior cutter.

note 30

According to the electric razor in note 24 ~ 26 described in any one, it is characterized in that,

The above-mentioned cutter end of above-mentioned outer cutter is included in the above-mentioned rake that transversely sets gradually laterally from above-mentioned cutter pars intermedia and line part respectively,

Transversely go laterally from above-mentioned cutter pars intermedia along with above-mentioned, the cutter of above-mentioned rake is wide to be reduced gradually,

The cutter of above-mentioned line part is wide transversely has constant size above-mentioned.

note 31

According to the electric razor in note 24 ~ 26 described in any one, it is characterized in that,

This electric razor also has the main body of the above-mentioned outer cutter of supporting and above-mentioned interior cutter,

When overlooking above-mentioned outer cutter, the length direction of aforementioned body and above-mentioned vertical consistency.

note 32

A kind of electric razor, is characterized in that,

This electric razor has:

Interior cutter and outer cutter, they carry out relative linear reciprocating motion;

Outer cutter maintaining part, it keeps above-mentioned outer cutter;

Cutter block, it supports above-mentioned outer cutter maintaining part;

Main body, it supports above-mentioned cutter block;

Finger abuts structure, and it is arranged at least one in above-mentioned outer cutter maintaining part and aforementioned body;

Aforementioned body can be combined with each other and be separated with above-mentioned cutter block;

Be longitudinally by the direction setting of above-mentioned linear reciprocating motion, during by direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for transverse direction, when overlooking above-mentioned outer cutter, the length direction of aforementioned body and above-mentioned vertical consistency;

Above-mentioned finger abuts structure installation in above-mentioned transversely adjacent with above-mentioned outer cutter position.

note 33

Electric razor according to note 32, is characterized in that,

Above-mentioned finger abuts structure and comprises the protuberance being formed at above-mentioned outer cutter maintaining part.

note 34

Electric razor according to note 33, is characterized in that,

Above-mentioned protuberance has planar portions in the end of the side contrary with above-mentioned outer cutter.

note 35

According to the electric razor in note 32 ~ 34 described in any one, it is characterized in that,

Above-mentioned finger abuts structure and comprises the recess being formed at aforementioned body.

note 36

Electric razor according to note 32, is characterized in that,

Above-mentioned finger abuts to construct to comprise and abuts structure and the 2nd finger abutting structure across the 1st finger that above-mentioned outer cutter is facing with each other.

note 37

According to the electric razor in note 32 ~ 34 described in any one, it is characterized in that,

Aforementioned body is included in by the handle part held when using electric razor,

Above-mentioned finger abuts the structure installation position adjacent in the end of the above-mentioned handle part side with above-mentioned outer cutter.

note 38

According to the electric razor in note 32 ~ 34 described in any one, it is characterized in that,

This electric razor also has limit structure, and this limit structure is arranged at above-mentioned cutter block and aforementioned body, and this limit structure is allowed above-mentioned cutter block is installed on aforementioned body along the direction of standard, and above-mentioned cutter block is installed on aforementioned body along off-gauge direction by restriction.

note 39

Electric razor according to note 38, is characterized in that,

Above-mentioned limit structure is formed by rib and groove.

note 40

According to the electric razor in note 32 ~ 34 described in any one, it is characterized in that,

The whole surrounding of above-mentioned outer cutter when overlooking above-mentioned outer cutter is embedded in above-mentioned outer cutter maintaining part.

note 41

A kind of electric razor, is characterized in that having:

Interior cutter and outer cutter, they carry out relative linear reciprocating motion;

Outer cutter maintaining part, it keeps above-mentioned outer cutter;

Above-mentioned outer cutter maintaining part comprises:

Two ends, they are facing in the longitudinal direction in the direction as above-mentioned linear reciprocating motion;

Through hole, it runs through at least one party end in above-mentioned two ends in above-mentioned longitudinal direction, and for the hair of the inside being directed to above-mentioned outer cutter maintaining part is discharged to the outside.

note 42

Electric razor according to note 41, is characterized in that,

This electric razor also has the main body of the above-mentioned interior cutter of supporting and above-mentioned outer cutter maintaining part,

When overlooking above-mentioned outer cutter, the length direction of aforementioned body and above-mentioned vertical consistency.

note 43

Electric razor according to note 41 or 42, is characterized in that,

By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for horizontal, be depth direction with the direction setting of above-mentioned longitudinal direction and above-mentioned quadrature transverse,

Above-mentioned outer cutter comprises:

Top, it transversely has two ends above-mentioned;

Two outer cutter sidewalls, they extend along above-mentioned depth direction from two ends at above-mentioned top;

Above-mentioned interior cutter is included in above-mentioned transversely respectively across gap and facing two the interior cutter sidewalls of above-mentioned two outer cutter sidewalls.

note 44

Electric razor according to note 43, is characterized in that,

This electric razor also has the interior cutter maintaining part keeping above-mentioned interior cutter,

Above-mentioned interior cutter maintaining part comprises the movement limiting portion limited relative to the transverse shifting of above-mentioned outer cutter above-mentioned interior cutter.

note 45

A kind of electric razor, is characterized in that having:

Outer cutter, it has multiple slit;

Outer cutter maintaining part, it keeps above-mentioned outer cutter;

Interior cutter, it carries out linear reciprocating motion relative to above-mentioned outer cutter;

Spring, above-mentioned interior cutter is pushed on above-mentioned outer cutter by it;

Above-mentioned outer cutter maintaining part has the 1st wall portion and the 2nd wall portion at the both ends of the longitudinal direction in the direction as above-mentioned linear reciprocating motion;

Above-mentioned outer cutter is fixed on above-mentioned 1st wall portion and above-mentioned 2nd wall portion;

Above-mentioned 1st wall portion comprises:

1st outer cutter fixed part, it contacts with above-mentioned outer cutter and fixing above-mentioned outer cutter;

1st spring compartment, along with the linear reciprocating motion of above-mentioned interior cutter, above-mentioned spring enters the 1st spring compartment;

Above-mentioned 2nd wall portion comprises:

2nd outer cutter fixed part, it contacts with above-mentioned outer cutter and fixing above-mentioned outer cutter;

2nd spring compartment, along with the linear reciprocating motion of above-mentioned interior cutter, above-mentioned spring enters the 2nd spring compartment;

Above-mentioned 1st spring compartment has the size that above-mentioned spring can be made to enter into be positioned in above-mentioned longitudinal direction than above-mentioned 1st outer cutter fixed part position in the outer part;

Above-mentioned 2nd spring compartment has the size that above-mentioned spring can be made to enter into be positioned in above-mentioned longitudinal direction than above-mentioned 2nd outer cutter fixed part position in the outer part.

note 46

Electric razor according to note 45, is characterized in that,

This electric razor also has the main body supporting above-mentioned outer cutter maintaining part,

When overlooking above-mentioned outer cutter, the length direction of aforementioned body and above-mentioned vertical consistency.

note 47

Electric razor according to note 45 or 46, is characterized in that,

Above-mentioned spring has two ends, and above-mentioned outer cutter maintaining part is fixed in the square end portion in these two ends,

Above-mentioned 1st outer cutter fixed position is fixed with the position of part by above-mentioned longitudinal outside of above-mentioned spring in than above-mentioned 1st wall portion,

Above-mentioned 2nd outer cutter fixed position is fixed with the position of part by above-mentioned longitudinal outside of above-mentioned spring in than above-mentioned 2nd wall portion.

note 48

Electric razor according to note 45 or 46, is characterized in that,

Above-mentioned outer cutter maintaining part comprises at least one in the 1st through hole and the 2nd through hole, 1st through hole runs through above-mentioned 1st wall portion in above-mentioned longitudinal direction, above-mentioned 1st spring compartment is communicated with space outerpace, 2nd through hole runs through above-mentioned 2nd wall portion in above-mentioned longitudinal direction, is communicated with by above-mentioned 2nd spring compartment with said external space.

note 49

Electric razor according to note 45 or 46, is characterized in that,

Above-mentioned outer cutter maintaining part is formed as formed products.

note 50

Electric razor according to note 45 or 46, is characterized in that,

Above-mentioned outer cutter maintaining part comprises at least one in the 1st hook and the 2nd hook, 1st is hook-shapedly formed in the part adjacent with above-mentioned 1st outer cutter fixed part, and hooking is in above-mentioned outer cutter, the 2nd is hook-shapedly formed in the part adjacent with above-mentioned 2nd outer cutter fixed part, and hooking is in above-mentioned outer cutter.

note 51

Electric razor according to note 45 or 46, is characterized in that,

This electric razor also has the interior cutter maintaining part keeping above-mentioned interior cutter,

By direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for laterally, when being depth direction with the direction setting of above-mentioned longitudinal direction and above-mentioned quadrature transverse, above-mentioned interior cutter maintaining part has end portion on above-mentioned depth direction,

The end portion of above-mentioned interior cutter maintaining part is arranged in the position of part by above-mentioned outer cutter side being fixed with above-mentioned spring than above-mentioned outer cutter maintaining part on above-mentioned depth direction.

note 52

A kind of electric razor, is characterized in that having:

Interior cutter;

Outer cutter, it comprises multiple slit and multiple cutter portion, and this outer cutter carries out linear reciprocating motion relative to above-mentioned interior cutter;

Main body, its above-mentioned interior cutter of supporting and above-mentioned outer cutter;

Guide portion, it is arranged at aforementioned body, for hair being directed to the slit of above-mentioned outer cutter;

When overlooking above-mentioned outer cutter, length direction and the vertical consistency as the direction of above-mentioned linear reciprocating motion of aforementioned body;

Guide sections comprises with above-mentioned outer cutter adjacently along the above-mentioned multiple units guide portion longitudinally configured.

note 53

Electric razor according to note 52, is characterized in that,

Above-mentioned multiple units guide portion is all protuberances.

note 54

Electric razor according to note 52 or 53, is characterized in that,

By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for horizontal,

Above-mentioned multiple units guide portion is arranged at each cutter portion at above-mentioned both ends transversely in the mode corresponding with above-mentioned multiple cutter portion.

note 55

Electric razor according to note 52 or 53, is characterized in that,

By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for horizontal, be depth direction with the direction setting of above-mentioned longitudinal direction and above-mentioned quadrature transverse,

Above-mentioned outer cutter comprises:

Top, it transversely has two ends above-mentioned;

Two outer cutter sidewalls, they extend along above-mentioned depth direction from two ends at above-mentioned top;

Above-mentioned two outer cutter sidewalls comprise respectively:

Arc sections, it is connected with above-mentioned top;

Straight line wall portion, it is connected with above-mentioned arc sections, and extends along above-mentioned depth direction;

Guide sections is located at position adjacent with above-mentioned straight line wall portion on above-mentioned depth direction.

note 56

Electric razor according to note 52 or 53, is characterized in that,

By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for horizontal,

Be depth direction by the direction setting with above-mentioned longitudinal direction and above-mentioned quadrature transverse,

Be reverse side by the direction setting that above-mentioned depth direction goes from the above-mentioned interior cutter side of above-mentioned outer cutter side direction,

Go along with to above-mentioned reverse side, guide sections increases from the overhang that above-mentioned outer cutter is outstanding.

note 57

Electric razor according to note 52 or 53, is characterized in that,

This electric razor also has the framework embedded for above-mentioned outer cutter,

Above-mentioned overlook state under, above-mentioned framework covers the whole surrounding of above-mentioned outer cutter.

note 58

Electric razor according to note 57, is characterized in that,

Guide sections is formed as a part for above-mentioned framework.

note 59

Electric razor according to note 52 or 53, is characterized in that,

This electric razor also has the 1st location division for specifying above-mentioned outer cutter and guide sections position relationship each other and the 2nd location division,

Above-mentioned 1st location division is formed at above-mentioned outer cutter,

Above-mentioned 2nd location division is formed at the pars intermedia in the above-mentioned longitudinal direction of guide sections.

note 60

A kind of electric razor, is characterized in that having:

Outer cutter;

Interior cutter, it carries out linear reciprocating motion relative to above-mentioned outer cutter;

Main body, its above-mentioned interior cutter of supporting and above-mentioned outer cutter;

Spring, above-mentioned interior cutter is pushed on above-mentioned outer cutter by it;

Drive source, it produces driving force;

Transfer part, the driving force of above-mentioned drive source is delivered to above-mentioned interior cutter and makes above-mentioned interior cutter carry out linear reciprocating motion by it;

When overlooking above-mentioned outer cutter, length direction and the vertical consistency as the direction of the above-mentioned linear reciprocating motion of above-mentioned interior cutter of aforementioned body;

Above-mentioned interior cutter comprises the linking part be connected with above-mentioned transfer part;

The mid portion of above-mentioned bond sites in the above-mentioned longitudinal direction of above-mentioned interior cutter.

note 61

Electric razor according to note 60, is characterized in that,

By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned outer cutter for horizontal, be depth direction with the direction setting of above-mentioned longitudinal direction and above-mentioned quadrature transverse,

Above-mentioned transfer part has:

1st transfer part, it is formed as the overall shape extended along the length direction of aforementioned body;

2nd transfer part, it is connected with above-mentioned 1st transfer part, is formed as the shape extended along above-mentioned depth direction;

Above-mentioned 1st transfer part comprises the input side end of the driving force accepting above-mentioned drive source;

Above-mentioned 2nd transfer part comprises the outlet side end be connected with above-mentioned linking part.

note 62

Electric razor according to note 61, is characterized in that,

Above-mentioned spring is arranged at 1 in two springs of above-mentioned electric razor,

Above-mentioned two springs are arranged on across the facing position of above-mentioned 2nd transfer part.

note 63

According to the electric razor in note 60 ~ 62 described in any one, it is characterized in that,

Above-mentioned bond sites is on the center line of aforementioned body on above-mentioned length direction.

note 64

According to the electric razor in note 60 ~ 62 described in any one, it is characterized in that,

Above-mentioned bond sites is on the rotation centerline of above-mentioned drive source.

note 65

Electric razor according to note 61 or 62, is characterized in that,

Above-mentioned 1st transfer part comprises:

1st transferring structure portion, it is formed as the shape extended along above-mentioned length direction, and is connected with above-mentioned 2nd transfer part;

2nd transferring structure portion, it is formed as the shape extended along above-mentioned depth direction, and is connected with above-mentioned 1st transferring structure portion;

3rd transferring structure portion, it is formed as the shape extended along above-mentioned length direction, and accepts the driving force of above-mentioned drive source, and is connected with above-mentioned 2nd transferring structure portion.

note 66

A kind of electric razor, is characterized in that having:

Dead knife;

Can moving knife, it carries out linear reciprocating motion relative to above-mentioned dead knife;

Drive source, it produces driving force;

Main body, its support above-mentioned drive source, above-mentioned dead knife and above-mentioned can moving knife;

Transmission mechanism portion, its driving force of above-mentioned drive source is delivered to above-mentioned can moving knife and make this can carry out linear reciprocating motion by moving knife;

Divide component, it is connected with above-mentioned transmission mechanism portion;

When overlooking above-mentioned dead knife, the length direction of aforementioned body with as above-mentioned can the vertical consistency in direction of linear reciprocating motion of moving knife;

Above-mentioned division component comprises at least one in tip side protuberance and base end side protuberance, this tip side protuberance is outstanding along the top orientation of going to above-mentioned movable cutter from above-mentioned drive source, and this base end side protuberance upwards can be stated the proximal direction that drive source goes and give prominence to by moving knife along from above-mentioned.

note 67

Electric razor according to note 66, is characterized in that,

Above-mentioned division component is run through in above-mentioned transmission mechanism portion.

note 68

Electric razor according to note 67, is characterized in that,

Above-mentioned division component is formed as having above-mentioned tip side protuberance,

The above-mentioned tip side protuberance of above-mentioned division component is run through in above-mentioned transmission mechanism portion.

note 69

According to the electric razor in note 66 ~ 68 described in any one, it is characterized in that,

Above-mentioned division component comprises:

Edge, it contacts with the inner surface of aforementioned body;

Peripheral part, it is positioned at than position in the inner part, above-mentioned edge;

The end of the above-mentioned top orientation of above-mentioned edge is positioned at the position leaning on above-mentioned top orientation than the end of the above-mentioned top orientation of the above-mentioned peripheral part connected with this edge.

note 70

According to the electric razor in note 66 ~ 68 described in any one, it is characterized in that,

Above-mentioned division component is formed by elastomeric material.

note 71

A kind of electric razor, is characterized in that having:

Dead knife;

Can moving knife, it carries out linear reciprocating motion relative to above-mentioned dead knife;

Drive source, its for drive above-mentioned can moving knife;

Main body, its support above-mentioned drive source, above-mentioned dead knife and above-mentioned can moving knife;

Divide component, its by the spatial division in aforementioned body be above-mentioned drive source place base end side space and above-mentioned can the tip side space at moving knife place;

Aforementioned body comprise the handle part that supports above-mentioned drive source and the above-mentioned dead knife of supporting and above-mentioned can the head of moving knife;

When overlooking above-mentioned dead knife, the length direction of aforementioned body with as above-mentioned can the vertical consistency in direction of linear reciprocating motion of moving knife;

Above-mentioned division Components installation is in above-mentioned handle part.

note 72

Electric razor according to note 71, is characterized in that,

This electric razor also has:

Converter section, the rotary motion of above-mentioned drive source is converted to above-mentioned linear reciprocating motion by it;

Transmission mechanism portion, its above-mentioned linear reciprocating motion be converted to by above-mentioned converter section is delivered to above-mentioned can moving knife;

Above-mentioned division Components installation is in above-mentioned transmission mechanism portion.

note 73

Electric razor according to note 72, is characterized in that,

Above-mentioned converter section comprises:

Eccentric shaft, its output shaft around above-mentioned drive source revolves round the sun;

Connecting rod, its rotation of above-mentioned eccentric shaft is converted to above-mentioned can the above-mentioned linear reciprocating motion of moving knife.

note 74

According to the electric razor in note 71 ~ 73 described in any one, it is characterized in that,

Above-mentioned handle part has the inner surface in the groove portion be formed with for above-mentioned division Component Embedding.

note 75

According to the electric razor in note 71 ~ 73 described in any one, it is characterized in that,

Above-mentioned division component is formed by elastomeric material.

note 76

A kind of electric razor, is characterized in that having:

Dead knife;

Can moving knife, it carries out linear reciprocating motion relative to above-mentioned dead knife;

Dead knife maintaining part, it supports above-mentioned dead knife;

Above-mentioned dead knife has multiple portions and is formed in the slit between adjacent above-mentioned bar portion;

By above-mentioned can the direction setting of linear reciprocating motion of moving knife be longitudinally;

By the direction setting orthogonal with above-mentioned longitudinal direction when overlooking above-mentioned dead knife for horizontal;

Be depth direction by the direction setting with above-mentioned longitudinal direction and above-mentioned quadrature transverse;

Above-mentioned multiple portions comprise the less thinner wall section of thickness on the larger heavy section of thickness on above-mentioned depth direction and above-mentioned depth direction respectively;

Above-mentioned dead knife maintaining part has the reverse side support in above-mentioned multiple the portions of reverse side supporting from above-mentioned depth direction;

Above-mentioned reverse side support supports above-mentioned heavy section.

note 77

Electric razor according to note 76, is characterized in that,

Above-mentioned heavy section is formed at the above-mentioned horizontal both ends in above-mentioned each bar portion,

Above-mentioned thinner wall section is formed between above-mentioned two heavy sections at the both ends being formed at above-mentioned each bar portion.

note 78

Electric razor according to note 77, is characterized in that,

Above-mentioned multiple portions configure side by side along above-mentioned longitudinal direction,

At least one party of above-mentioned two heavy sections is supported in two the bar portions being arranged in above-mentioned longitudinal two ends of above-mentioned reverse side support in above-mentioned multiple portions respectively.

note 79

According to the electric razor in note 76 ~ 78 described in any one, it is characterized in that,

Above-mentioned reverse side support comprise the heavy wall facing with above-mentioned heavy section in the face of portion and with the facing thin-wall face of above-mentioned thinner wall section to portion,

Above-mentioned thin-wall face has the shape caved in above-mentioned depth direction in the face of portion than above-mentioned heavy wall to portion.

note 80

According to the electric razor in note 76 ~ 78 described in any one, it is characterized in that,

Above-mentioned dead knife comprises two dead knife sidewalls, and these two dead knife sidewalls are connected with above-mentioned multiple portions, and extends to the reverse side of above-mentioned depth direction from the above-mentioned horizontal both ends of above-mentioned dead knife.

note 81

According to the electric razor in note 76 ~ 78 described in any one, it is characterized in that,

Above-mentioned dead knife maintaining part is included in lower surface facing with the lower end of above-mentioned dead knife sidewall on above-mentioned depth direction to portion.

note 82

According to the electric razor in note 76 ~ 78 described in any one, it is characterized in that,

This electric razor also has the main body supporting above-mentioned dead knife maintaining part,

When overlooking above-mentioned dead knife, the length direction of aforementioned body and above-mentioned vertical consistency.

Claims (5)

1. an electric razor, is characterized in that, has:

Outer cutter;

Interior cutter, it is arranged on the inner side of above-mentioned outer cutter, and can carry out action relative to this outer cutter in the mode of linear reciprocating motion;

The main body of elongate, it is configured with above-mentioned outer cutter and above-mentioned interior cutter;

Drive source, it is arranged in aforementioned body, and for making above-mentioned interior cutter carry out reciprocating action relative to above-mentioned outer cutter;

Outer cutter maintaining part, it is for keeping above-mentioned outer cutter;

Spring, it is for pushing above-mentioned interior cutter to above-mentioned outer cutter;

It is corresponding with the length direction of this interior cutter and the axis direction of aforementioned body that above-mentioned outer cutter and above-mentioned interior cutter are configured to this outer cutter, and the reciprocating action direction of above-mentioned interior cutter is corresponding with the axis direction of aforementioned body;

Above-mentioned outer cutter is the slit cutter comprising multiple slit and multiple cutter portion;

Above-mentioned outer cutter maintaining part has the 1st wall portion and the 2nd wall portion at the both ends of the longitudinal direction in the direction as above-mentioned linear reciprocating motion;

Above-mentioned outer cutter is fixed on above-mentioned 1st wall portion and above-mentioned 2nd wall portion;

Above-mentioned 1st wall portion comprises:

1st outer cutter fixed part, it contacts with above-mentioned outer cutter and fixing above-mentioned outer cutter;

1st spring mobile space, along with the linear reciprocating motion of above-mentioned interior cutter, above-mentioned spring can enter the 1st spring mobile space;

Above-mentioned 2nd wall portion comprises:

2nd outer cutter fixed part, it contacts with above-mentioned outer cutter and fixing above-mentioned outer cutter;

2nd spring mobile space, along with the linear reciprocating motion of above-mentioned interior cutter, above-mentioned spring can enter the 2nd spring mobile space;

Above-mentioned outer cutter maintaining part comprises at least one in the 1st through hole and the 2nd through hole, 1st through hole runs through above-mentioned 1st wall portion in above-mentioned longitudinal direction, above-mentioned 1st spring mobile space is communicated with space outerpace, 2nd through hole runs through above-mentioned 2nd wall portion in above-mentioned longitudinal direction, is communicated with by above-mentioned 2nd spring mobile space with said external space.

2. electric razor according to claim 1, is characterized in that,

The cross section of above-mentioned outer cutter is formed as U-shaped.

3. electric razor according to claim 1, is characterized in that,

The length direction of above-mentioned outer cutter tilts relative to the axis direction of aforementioned body.

4. electric razor according to claim 1, is characterized in that,

This electric razor also has head, and this head is arranged on the top ends of aforementioned body, and above-mentioned outer cutter and above-mentioned interior cutter are configured at this head, and this head has the width less than the diameter of aforementioned body.

5. electric razor according to claim 1, is characterized in that,

Above-mentioned outer cutter and above-mentioned interior cutter can be installed on aforementioned body and can unload from aforementioned body.