CN1086475A - Swinging blade guard assembly - Google Patents
Swinging blade guard assembly Download PDFInfo
- Publication number
- CN1086475A CN1086475A CN 93119149 CN93119149A CN1086475A CN 1086475 A CN1086475 A CN 1086475A CN 93119149 CN93119149 CN 93119149 CN 93119149 A CN93119149 A CN 93119149A CN 1086475 A CN1086475 A CN 1086475A
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- saw blade
- sheath
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- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The swing saw blade protective device that motor-driven saw blade is used; last saw blade sheath is fixed on the supporting arm of the hinged installation that has saw blade and last saw blade sheath; lower swing saw blade sheath is hinged on the saw blade sheath all covering saw blades when the position of rest, and when move in the operating position, exposes saw blade.This device comprises an elongate rod, and it is hinged on an end of scaffold and at the other end one preformed groove is arranged, and is used for holding being connected sliding pin on the lower swing saw blade sheath.On last saw blade sheath a bearing element is arranged, the rotation of saw blade causes bearing to be pressed in a side of bar, and the edge surface of preformed groove is pressed on the pin expose saw blade to rotate the saw blade protective device.
Description
The application is that the application number of submitting on December 20th, 1991 is NO.07/811, and 227 are entitled as the part continuation application of the U.S. Patent application of " swinging blade guard assembly ".
The present invention relates to a kind of swing saw blade protective device of motor-driven saw blade, particularly can be from top position of rest to controllably exposing the saw blade protective device of the swing of saw blade on request following operating position.
Power or synthetic mitre saw is used for sawing timber in various industry, metal, plastics etc. becomes bevelled tenon or inclined-plane.For example in building industry, moulded parts, doorframe, armrest of seat etc. must be cut sth. askew in the bight, and and then need carry out the cutting on comprehensive bevelled tenon or inclined-plane for assembling parts suitably in some cases.In this power or synthetic mitre saw; surround saw blade with the saw blade protective device; there is one to go up fixedly saw blade protective sleeve and a lower swing saw blade protective sleeve typically; when the operating position of the cut workpiece of motor-driven saw blade below top position of rest moves to of rotating, lower swing saw blade protective sleeve can expose the motor-driven saw blade of rotation.
A kind of new improved swing saw blade sheath device that can overcome some problem of prior art equipment of the special proposition of the present invention.Motor-driven mitre saw has the example of swing saw blade sheath as United States Patent (USP) 4,805, and 504 and 5,020, shown in 406, wherein each patent all is the lower part of motor-driven saw blade to be covered fully during position of rest above motor-driven saw blade is positioned at.Each patent is also all rotated lower jacket in the downward or impulse stroke of motor-driven saw blade down to its cutting position.
One of problem of prior art saw blade protective device is that swing saw blade sheath can not enough promptly rotate in the first to down stroke of motor-driven saw blade, so that swing saw blade sheath is crossed workpiece, when particularly carrying out the inclined-plane cutting.The position that surpasses needs when simultaneously, swing saw blade sheath can not turn to the forward part of exposing motor-driven saw blade above workpiece.Prior art be subjected to this restriction be because it when the inclined-plane cutting downwards or beyond particularly designing in the impulse stroke out of phase of motor-driven saw blade, can not provide make motor-driven saw blade variable or controlled expose action.
The present invention has overcome that motor-driven mitre saw of the prior art and other are various to be used for other kind cuts the various saw structures of operating position below top position moves to problem.
The object of the present invention is to provide a kind of new, improved power saw, its swing saw blade protective device of operating position below top position of rest moves to has overcome the weak point of aforementioned prior art equipment;
The present invention also aims to provide a kind of new, improved swing saw blade protective device, make from top position of rest to below variablely or controlled during the operating position expose motor-driven saw blade;
The present invention also aims to provide a kind of new, improved swing saw blade protective device, swing saw blade protective device quick rotation is crossed by the saw workpiece in the part 1 of saw blade stroke, slow rotation in the remaining stroke of motor-driven saw blade then, and protective device finally stops on the desired position;
The present invention also aims to provide a kind of new, improved swing saw blade protective device, wherein, the combination of pregroove marks and sliding pin is arranged on the hinged elongate rod, it and roller engage are on the preform shoulder of elongate rod, so that the aforesaid variable or controlled aperture of swing saw blade protective device to be provided;
The present invention also aims to provide a kind of new, improved swing saw blade protective device, in order to pull down or change saw blade, it can be aptly near the power saw bobbin; And
The present invention also aims to provide a kind of new, improved swing saw blade protective device; its use and processing ease and effectively; maintenance and repair is simple and direct and cheap; textural anomaly is durable in use; purchase and have owing to quite cheaply be suitable for the individual, and be highly suitable for desired various purposes.
Briefly, swing saw blade protective device of the present invention is to be designed for, such as the motor-driven saw blade of motor-driven or synthetic bevelled tenon saw etc.Swing saw blade protective device comprises the hinged supporting arm on framework of an end, is being rotatably mounted motor-driven saw blade on its opposite end.Motor-driven saw blade can move to following operating position from top position of rest around the hinged point of supporting arm.Top saw blade sheath is fixed on the supporting arm upper face of saw blade is permanently contained wherein, following swing saw blade sheath then cuts with scissors on the top loading saw blade sheath with box lunch and all to contain saw blade when it is positioned at position of rest, and exposes saw blade at it when move in the operating position.An elongate rod is hinged on an end of framework supporting, it comprises a preform groove that is positioned on the other end, be used to hold a slidably pin, on the swing saw blade sheath, swing saw blade sheath hinge was contained in saw blade sheath place below being adjacent to below sliding pin was connected.Bearing element and pin are installed in saw blade sheath place with being spaced laterally apart, in order to engage with the upper face of elongate rod.Said structure makes saw blade make bearing be pressed in the side of elongate rod when upper rest position turns to the operating position, bottom, and the also feasible simultaneously edge surface that holds the pregroove marks of elongate rod is pressed on the sliding pin and exposes saw blade to impel the rotation of lower swing saw blade sheath.
The upper surface of elongate rod comprises a preformed shoulder, it cooperate with the preform groove common control lower swing saw blade sheath with respect to the position of saw blade to expose saw blade.The structure of preform shoulder and preform groove is suitable for rotating fast lower swing saw blade sheath and exposes saw blade for workpiece when motor-driven saw blade initially moves downward, and rotates lower swing saw blade sheath more slowly and expose saw blade more slowly in the remainder stroke of thereafter motor-driven saw blade.The preform groove comprises the top and following groove section that is connected by middle part curved groove section, and the preform shoulder comprises the upper and lower surface that is connected by middle skewed surface.
Lower swing saw blade sheath is hingedly mounted on the saw blade sheath, is positioned at the eccentric position with respect to the saw blade axis that supports motor-driven saw blade rotationally.The off-centre of the hinged point of lower swing saw blade sheath is positioned on the detachable installing plate, and it also is hinged on the 2nd eccentric pin joint, during when pulling down so that near saw blade axis from last saw blade sheath in order to pull down or to change saw blade.Sliding pin is installed on the baffle of lower swing sheath.
These or other object and advantage of the present invention will become clearer by describing below.In the accompanying drawing:
Fig. 1 is the side view that has the motor-driven mitre saw with motor-driven saw blade of lower swing saw blade protective device of the present invention, and it is in rises or position of rest fully;
Fig. 2 is to use the side view of the motor-driven mitre saw of swing saw blade protective device of the present invention shown in Figure 1, wherein motor-driven saw blade has moved down a bit of distance in its stroke, simultaneously lower swing saw blade protective device quick rotation is opened to cross workpiece in first section of the stroke of motor-driven saw blade;
Fig. 3 is to use the opposite side view of the motor-driven mitre saw of swing saw blade protective device of the present invention, wherein motor-driven saw blade is further to bottom offset and lower swing saw blade protective device is opened apace substantially to expose saw blade for the usefulness of cutting, also coating in the front side of motor-driven mitre saw simultaneously substantially or the part of the close staff's of saw blade a side;
Fig. 4 is to use the opposite side view of the motor-driven mitre saw of swing saw blade protective device of the present invention, and wherein motor-driven saw blade further exposes more saw blade partly for the usefulness of cutting to bottom offset, is still partly coating front side or staff's one side of saw blade simultaneously;
Fig. 5 is the another side view of the motor-driven mitre saw of swing saw blade protective device of the present invention; wherein motor-driven saw blade is in all falls the position to carry out work piece cut; as shown in the figure, swing down the saw blade protective device still the front side above workpiece or staff's one side provide protection.
Fig. 6-the 10th comprises to following operating position that from top position of rest the gamut of variant phase place is drawn in the side view that the present invention on a piece of paper swings the motor-driven mitre saw of saw blade protective device being shown among Fig. 1-5;
Figure 11 is the enlarged side view of motor-driven mitre saw that is in the band swing saw blade protective device of upper rest position, and illustrate near saw blade axis so that the swing saw blade protective device of the usefulness of pulling down or changing is removably mounted on the state on the saw blade sheath.
Below the present invention is described in detail with way of example, but be not limited to this, these descriptions will make clear use of the present invention of one skilled in the art and manufacturing, and describe several embodiment of best mode of the present invention.
Carry out though the swing saw blade protective device that illustrates and describe combines motor-driven or synthetic mitre saw, should be appreciated that obviously swing saw blade protective device of the present invention also can be used for having from top to the rotating saw structure of lower position motion of other pattern.
Several pages of accompanying drawings of Fig. 1-5 usefulness are expressed swing saw blade protective device each position from top position of rest to following operating position; Fig. 6-10 is then with the same position shown in Fig. 1-5 of drawing on one page paper; so that can observe each position of swing saw blade protective device apace easily with the accompanying drawing on the single page; Figure 11 shows the removed position of swing saw blade protective device, is convenient near saw blade axis when dismounting or replacing saw blade.
As mentioned above, the present invention swings the saw blade protective device and can be used for providing the degree of exposing that maybe can control saw blade from top position of rest to following operating position according to required variation.What will discuss now is, it can saw blade during to the first of down stroke in order to cross the workpiece that will cut, particularly cut sth. askew or rotate earlier and apace when cutting thicker workpiece and swing the saw blade protective device.Be to be understood that simultaneously swing saw blade protective device can not turn to the state that exposes saw blade front side or worker's one side above workpiece with surpassing required degree.Follow-up saw blade moves downward and stops until swing saw blade protective device exposing saw blade at a slow speed.
Be the motor-driven or synthetic swinging blade guard assembly of complete description, need above-mentioned patent application of awaiting the reply, to understand each workpiece of motor-driven or synthetic mitre saw with reference to the inventor.
The objective of the invention is notice is concentrated on the swing saw blade protective device, it is used for the motor-driven or synthetic mitre saw 1 shown in the figure.
Motor-driven or synthetic mitre saw 1 comprises a motor-driven saw blade 3, and it is contained in fixing going up in saw blade sheath and the housing 5 and by the motor-driven (not shown) rotationally, and motor is installed in an invisible side of saw blade sheath and housing 5.Last saw blade sheath and housing 5 are fixedly mounted on the supporting arm 7, supporting arm is installed in rotation on 9 places on the scaffold as the last closed cylindrical shell 11 of the closed cylindrical shell 11,13 of a pair of horizontal expansion, the latter is installed on the turntable 15, only draws with schematic lines in the drawings.In order to describe in more detail and to explain these parts, comprise motor, need application reference people's patent application above-mentioned to be examined once more.
Last saw blade sheath and housing 5, and the motor (not shown) all is installed in rotation on the supporting arm 7, saw blade axis 17 extends through supporting arm 7 so that saw blade 3 to be installed rotationally, shown in each accompanying drawing in last saw blade sheath and housing 5.
The dust and other chip that produce when collecting cut workpiece, on the waste outlet 19 at the rear portion of last saw blade sheath and housing 5, can be provided with the dust bag (not shown), and the front side of motor-driven swinging blade guard assembly 1 or staff's side be equipped with in the above position of rest and below promote and the handle 21 of falling motor-driven saw blade between the operating position.
Along supporting arm 7 fixing last saw blade sheaths and housing 5 are installed in rotation on 9 places on the scaffold, are included as from top position of rest to following work or complete cutting position rotates the closed cylinder 11,13 of motor-driven saw blade 3 horizontal expansions.When rotation drove saw blade 3 from last position of rest to operating position down, at diagrammatic sketch 1-5 continuously with comprise in the single page drawing of Fig. 6-10, the saw blade 3 that lower swing saw blade protective device 23 drives rotation controllably exposed with changing, is now described.
The swing saw blade device represent with 23, comprise a molded plastics housing 25, be molded as transparent as shown in drawings vinyl cover or sheath and surround the rotation saw blade 3.Molded plastic lid 25 swing saw blade sheath pin joint 27 places rotatable be installed in fixing on the saw blade sheath 5.Swing saw blade sheath pin joint 27 can be clear that from Figure 11, is the part of detachable installing plate 29.Note Figure 11, when need be near saw blade axis 17 in order to dismantle or change saw blade, detachable installing plate 29 can be in figure the rivet shown in the dotted line or other fixture 31 rotate.Detachable installing plate 29 forwards outside finger piece among Fig. 1-5 and Fig. 6-10 or hook 33 to and is installed in position on the screw 35 that is connected on the saw blade sheath 5 from the replacing shown in Figure 11 or dismounting saw blade position.
The pin joint 27 of lower swing saw blade sheath 25 is contained in the support ring 37, and it is located with isolated clamper 39, and is fixed on the detachable installing plate 29 by pin joint 27 with suitable fixture.As can be seen, 27 pairs of saw blade axis 17 off-centre of pin joint, when detachable installing plate 29 was pulled down on last saw blade sheath 5 as shown in figure 11, detachable installing plate 29 was also with respect to the 2nd pin joint 31 off-centre.
One is reversed or the helical spring (not shown) is used for making when saw blade 3 is positioned at as shown in Figure 1 its upper rest position swing saw blade sheath 25 to be pressed towards saw blade 3 totally enclosed positions.Reverse or helical spring pattern has been shown in United States Patent (USP) 4,934, among Figure 12 of 233, wherein torsion spring is installed between lower swing saw blade sheath and the detachable installing plate normal fexible bias pressure is applied on the lower swing saw blade sheath with box lunch and all covers motor-driven saw blade 3 when the position of rest.In this structure, can use identical torsion spring or helical spring in identical purpose.When motor-driven saw blade 3 from as shown in fig. 1 position of rest move downward to follow-up as shown in Fig. 2-5 for below during the operating position, the present invention cooperates with other parts to overcome with drive rod or elongate rod and reverses or the normal elastic force of helical spring (not shown) is setovered so that motor-driven saw blade 3 controllably exposes.
Particularly, the present invention uses the elongate rod 41 that is hinged on upstanding flange or the lug 43, and it forms the part of framework supporting.Relative end in elongate rod 41 has a preform groove 45, and it holds the sliding pin 47 of the lower swing saw blade sheath of a hinged point 27 of vicinity that is connected lower swing saw blade sheath 25.Particularly, as in clearly being shown in each accompanying drawing, sliding pin 47 is installed on the support ring 37 of hinged point 27.Bearing element 49 is connected on the saw blade sheath 5, engages in order to the upper surface with elongate rod 41 with sliding pin 47 is spaced.
It should also be noted that preform groove 45 comprises the upper and lower groove section 51,53 that is coupled together by an intermediate curve groove section 55.The upper surface 57 of elongate rod 41 has preformed shoulder 59, and it determines the intermediate, inclined surface between upper and lower surperficial 61,63 on the upper surface 57 of elongate rod 41.
Use said structure, saw blade 3 is from the motion of top position of rest to following operating position, in accompanying drawing 1-5 and 6-10, continuously it is illustrated, cause bearing 49 to be pressed on the upper surface 57 of elongate rod 41, the edge surface of the preform groove 45 that surrounds on the bar 41 is pressed on the sliding pin 47, reverse or the elastic force of helical spring (not shown) or bias force and lower swing saw blade sheath 25 is rotated with opposing, expose saw blade 3.
The upper surface 57 of elongate rod 41 comprises preformed shoulder 59, and it cooperates the expose degree of lower swing saw blade sheath with respect to saw blade of controlling with preform groove 45.In other words, can control the motion of incremental motion and lower swing saw blade sheath 25 on demand by the shape of regulating preform groove 45 and elongate rod upper surface 57.
In the embodiment shown in the figures, preform shoulder 59 is the intermediate, inclined surfaces between upper and lower surperficial 61,63 as can be seen, and they all match with the upper and lower groove section 51,53 of preform groove and the intermediate curve groove section 55 of preform groove.In shown structure, the arrangement of preform groove and preform shoulder should be convenient to swing saw blade sheath 25 quick rotation at present to expose saw blade 3 with respect to workpiece in motor-driven saw blade 3 initial descending motions, and in the remainder stroke of motor-driven saw blade, make lower swing saw blade sheath 25 follow slow rotation and also expose saw blade 3 more lentamente.This can be by more as shown in Figure 1 saw blade 3 position of the lower swing saw blade sheath 25 during position of rest and can be expressly understood with respect to the relative position of saw blade 3 when the lower swing saw blade sheath 25 of supporting arm 7 when hinged point 9 rotates about 5 ° approximately as shown in Figure 2 in the above.Shown in Figure 1, lower swing saw blade sheath 25 encases unlapped saw blade 3 parts of upper jacket fully.Yet, when rotating nearly 5 ° as shown in Figure 2, can see acting on the upper surface 57 of elongate rod 41 and the slip effect of pin 47 in pregroove marks 45 makes about 34 ° of lower swing saw blade sheath 25 turn-ofves by means of ball bearing 49.
When as shown in Figure 3 when hinged point 9 rotates about 15 °, nearly 86 ° of lower swing saw blade sheath 25 turn-ofves, this illustrates during saw blade 3 initial descending motions, lower swing saw blade sheath 25 rapid movements also expose saw blade 3 with respect to workpiece.
In Fig. 4, saw blade 3 rotates about 25 ° around hinged point 9, and this makes lower swing saw blade sheath 25 go to aperture to be about 108 °.Be appreciated that the lower swing saw blade sheath 25 shown in Fig. 4 is slower than the rotation shown in Fig. 2-3, thereby saw blade 3 is opened near the saw blade bottom of travel time more slowly.In Fig. 4, should be noted that lower swing saw blade sheath 25 maintains basic pretective acreage in front side or staff's side of sawing machine 1.
In accompanying drawing 5, show at last saw blade 3 all go to below or the operating position, even therefrom visible lower swing saw blade sheath 25 all exposes the protection that also still provides when cutting the staff at saw blade 3 above workpiece.
Accompanying drawing 6-10 expresses on one page paper and corresponds respectively to each continuous position among Fig. 1-5.Fig. 6-10 is compared the relative position that has shown 25 pairs of saw blades 3 of lower swing saw blade sheath, so that understand continuous motion and the position of lower swing saw blade sheath 25 with respect to saw blade 3.
Be appreciated that from noted earlier lower swing saw blade protective device of the present invention makes variable or controlled the exposing of saw blade of motor-driven mitre saw or other sawing machine structure, thereby realized the purpose of the present invention that proposes as top.
Can make different variations to said structure under the condition that does not break away from the scope of the invention, obviously, that describes in the above will be used for interpretation with the full content shown in the accompanying drawing and use, and can not limit the present invention.
Claims (6)
1, a kind of power saw, it includes a supporting arm, supporting arm one end hingedly is installed on the scaffold, the relative other end of supporting arm is being rotatably mounted motor-driven saw blade, above-mentioned motor-driven saw blade can move to following operating position from top position of rest around the hinged mounting points of supporting arm, a last saw blade sheath and a hinged following saw blade sheath on above-mentioned saw blade sheath that is fixed on the above-mentioned supporting arm with the top area that coats above-mentioned saw blade is arranged, when being in position of rest, all cover saw blade, when shifting to its operating position, expose saw blade, it is characterized in that:
A swing saw blade protective device; it comprises that one one end is hinged on the elongate rod on the above-mentioned scaffold; on its relative other end the preform groove is arranged; the preform groove holds a sliding pin; sliding pin is hinged on saw blade sheath position at contiguous lower swing saw blade sheath and is connected on the lower swing saw blade sheath; a bearing element; it with above-mentioned pin lateral separation be installed on the saw blade sheath in order to engage with the elongate rod upper surface; thereby saw blade causes bearing to be pressed on the upper surface of elongate rod from the motion of top position of rest to following operating position; the edge surface of the preform groove of encircles rod is pressed on the pin exposes above-mentioned saw blade to rotate lower swing saw blade sheath; wherein the upper surface of elongate rod comprises the preform shoulder; it cooperates with the preform groove with the expose degree of control lower swing saw blade sheath with respect to saw blade; wherein; make the structure of preform shoulder and preformed groove be convenient to during initially the moving downward of motor-driven saw blade, make lower swing saw blade sheath quick rotation and expose saw blade with respect to workpiece; and during the remainder stroke of motor-driven saw blade; make lower swing saw blade sheath then rotating, and expose saw blade more slowly than jogging speed.
2, saw as claimed in claim 1, wherein the preform groove comprises the upper and lower groove section that is connected by intermediate curve groove section, and above-mentioned preform shoulder comprises the upper and lower surface that is connected by the intermediate, inclined surface.
3, the saw described in claim 2, wherein lower swing saw blade sheath is hingedly mounted on above-mentioned going up on the saw blade sheath, with respect to the saw blade axis that supports above-mentioned motor-driven saw blade rotationally off-centre is arranged.
4, saw as claimed in claim 3, the off-centre hinge of wherein above-mentioned lower swing saw blade sheath is decorateeed and is positioned on the dismountable installing plate, it also is hinged on second hinged mounting points of off-centre, when being convenient near saw blade axis to pull down or to change saw blade when above-mentioned saw blade sheath is pulled down.
5, a kind of saw as claimed in claim 4, wherein sliding pin is installed on the holding plate of lower jacket.
6, the swing saw blade protective device used of a kind of motor-driven saw blade, comprise that one one end is hingedly mounted on the supporting arm on the scaffold, its another opposite end is being rotatably mounted motor-driven saw blade, and above-mentioned motor-driven saw blade can move to following operating position from top position of rest around the pin joint of supporting arm; One is fixed on last saw blade sheath on the above-mentioned supporting arm in order to encase the top area of above-mentioned saw blade, a lower swing saw blade sheath, it hingedly is installed in above-mentioned going up on the saw blade sheath, when at its position of rest in order to envelope saw blade fully, when it moves to the operating position, saw blade is exposed; One one end hingedly is installed in the elongate rod on the above-mentioned scaffold, has the preform groove in another opposite end to hold a sliding pin, and sliding pin is installed on the lower swing saw blade sheath, and the hinge of contiguous lower swing saw blade sheath is contained in saw blade sheath fulcrum place; One is connected the bearing element that laterally separates with above-mentioned pin on the saw blade sheath, in order to engage with preform shoulder on the elongate rod upper surface, preform shoulder on the upper surface of above-mentioned elongate rod cooperate with the preform groove control sliding pin in above-mentioned preformed groove slip so that lower swing saw blade sheath controllably expose with respect to saw blade, because saw blade rotates to following operating position from top position of rest, bearing is pressed in comprise on the upper surface of preform shoulder of bar, the edge surface of the preform groove of encircles rod is pressed on the pin exposes above-mentioned saw blade to rotate lower swing saw blade sheath, wherein the structure of preform shoulder and preform groove makes it easy to during motor-driven saw blade initially moves downward rapidly the part and opens lower swing saw blade sheath and partly expose saw blade with respect to workpiece, rotates lower swing saw blade sheath then more slowly and expose saw blade more slowly in remaining saw blade stroke.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/962,868 US5203245A (en) | 1991-12-20 | 1992-10-19 | Swinging blade guard assembly |
| US962,868 | 1992-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1086475A true CN1086475A (en) | 1994-05-11 |
| CN1036054C CN1036054C (en) | 1997-10-08 |
Family
ID=25506444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93119149A Expired - Fee Related CN1036054C (en) | 1992-10-19 | 1993-10-19 | Swinging blade guard assembly |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1036054C (en) |
| CA (1) | CA2099404C (en) |
| TW (1) | TW239849B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080158C (en) * | 1995-08-10 | 2002-03-06 | 密尔沃基电力工具公司 | Indexing override mechanism for slide compound miter saw |
| CN104428090A (en) * | 2012-07-11 | 2015-03-18 | 日立工机株式会社 | Desk-top cutting machine |
| CN104551219A (en) * | 2013-10-23 | 2015-04-29 | 苏州宝时得电动工具有限公司 | Miter saw |
| CN104551220A (en) * | 2013-10-18 | 2015-04-29 | 苏州宝时得电动工具有限公司 | Mater saw |
| CN111644692A (en) * | 2020-06-30 | 2020-09-11 | 浙江精深实业有限公司 | High-efficiency direct-current oblique-cutting saw |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10029386B2 (en) | 2009-08-26 | 2018-07-24 | Robert Bosch Tool Corporation | Table saw with positive locking mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934233B1 (en) * | 1988-06-29 | 1994-08-23 | Emerson Electric Co | Compound miter saw |
-
1993
- 1993-06-30 CA CA 2099404 patent/CA2099404C/en not_active Expired - Fee Related
- 1993-10-19 CN CN93119149A patent/CN1036054C/en not_active Expired - Fee Related
- 1993-10-30 TW TW82109099A patent/TW239849B/zh not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080158C (en) * | 1995-08-10 | 2002-03-06 | 密尔沃基电力工具公司 | Indexing override mechanism for slide compound miter saw |
| CN104428090A (en) * | 2012-07-11 | 2015-03-18 | 日立工机株式会社 | Desk-top cutting machine |
| CN104428090B (en) * | 2012-07-11 | 2017-03-08 | 日立工机株式会社 | Table saw |
| US9636762B2 (en) | 2012-07-11 | 2017-05-02 | Hitachi Koki Co., Ltd. | Desk-top cutting machine |
| CN104551220A (en) * | 2013-10-18 | 2015-04-29 | 苏州宝时得电动工具有限公司 | Mater saw |
| CN104551220B (en) * | 2013-10-18 | 2017-04-05 | 苏州宝时得电动工具有限公司 | Diagonal cutting saw |
| CN104551219A (en) * | 2013-10-23 | 2015-04-29 | 苏州宝时得电动工具有限公司 | Miter saw |
| CN104551219B (en) * | 2013-10-23 | 2017-07-18 | 苏州宝时得电动工具有限公司 | Diagonal cutting saw |
| CN111644692A (en) * | 2020-06-30 | 2020-09-11 | 浙江精深实业有限公司 | High-efficiency direct-current oblique-cutting saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1036054C (en) | 1997-10-08 |
| CA2099404C (en) | 1996-02-20 |
| CA2099404A1 (en) | 1994-04-20 |
| TW239849B (en) | 1995-02-01 |
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