CN101210364A - Sewing machine presser foot - Google Patents
Sewing machine presser foot Download PDFInfo
- Publication number
- CN101210364A CN101210364A CNA2007103011703A CN200710301170A CN101210364A CN 101210364 A CN101210364 A CN 101210364A CN A2007103011703 A CNA2007103011703 A CN A2007103011703A CN 200710301170 A CN200710301170 A CN 200710301170A CN 101210364 A CN101210364 A CN 101210364A
- Authority
- CN
- China
- Prior art keywords
- cloth
- presser feet
- paw
- navigation
- sewing machines
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 53
- 239000004744 fabric Substances 0.000 claims abstract description 139
- 241000278713 Theora Species 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
- D05B29/08—Presser feet comprising relatively-movable parts
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/04—Lower casings
- D05B73/12—Slides; Needle plates
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/32—Measuring
- D05D2305/36—Quality control
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a presser foot of sewing machine, including an assistant guiding component locating on a pressing claw of one part of left-right pressing claws extending towards the front of a position for receiving needle between a needle plate, for clamping upper cloth and projecting into a guiding path between a pressing claw of the other part, to optimize the path between the pressing claw of the other part and the assistant guiding component, holding the upper cloth and the lower cloth with a benign standing gesture, feeding material to a position for setting fixed blade and movable blade to cutting the upper end edge uniformly, so as to prevent bad tailoring availably due to imperfectness of cutting.
Description
Technical field
The present invention relates to the presser feet of Sewing machines, the presser feet of this Sewing machines is used to implement the joint close (closing わ せ Sew い) that the ora terminalis with two blocks of clothes unites by a seam overlappingly.
Background technology
Joint close is the sewing form of using in the stitching of the in-leg part of panty girdle (Brief), pants (Shorts), utilizes the Sewing machines of the barrel susceptor (Cylindrical Bed) with path to carry out.This Sewing machines has: needle plate (Stitch plate), and it is arranged on the leading section upper surface of barrel susceptor; And presser feet (Presser Foot), it is positioned at the top of this needle plate, by manually or automatically carrying out lifting.Above-mentioned joint close carries out as follows: two blocks of clothes are piled up up and down by preset width from separately ora terminalis, and are clamped between the presser feet and needle plate after the decline, be fed to the position of pin, unite by a seam mutually by the pin that drops to this needle downing position.
In order to obtain the second best in quality sewings by this joint close, it is just very important that the overlapping width that is advanced to the cloth of needle downing position remains the suitable width suitable with the seam width of Sewing machines.The overlapping width of cloth generally in the anterior position of presser feet, is adjusted by operator's handwork, but exist this is adjusted skillfully this problem.
In order to remove this problem, in the real public clear 59-34457 communique of Japan (Examined JapaneseUtility Model Publication No.59-34457 (1984)), disclose such Sewing machines: it has special presser feet, does not need the operator to carry out the adjustment of overlapping width.The presser feet of this Sewing machines has: blade (knife), and its ora terminalis that will become the cloth of joint close object trims; And guiding parts, it is piled up it up and down to the cloth channeling conduct after trimming.
Fig. 1 is near the stereogram of needle downing position that the Sewing machines of the existing presser feet with blade and guiding parts has been installed.Such as shown, presser feet 1 has presser feet main body 11 and two paws 12,13.Presser feet main body 11 is installed in the lower end of depression bar 10, and this depression bar 10 is bearing in the front end of sewing machine arm 2, and two paws 12,13 are arranged on the left and right sides of the front portion of presser feet main body 11 in the mode of forwards extending in parallel to each other.Presser feet 1 descends by moving down of depression bar 10, is pressed on the needle plate 4 on the Sewing machines pedestal 3.
Left and right sides paw 12,13 forms the path of navigation 15 that is opened on front end.Middle part at this path of navigation 15 is equipped with: fixed blade (Fixed knife) 16, and it is fixed on the paw 12; And movable blade (Movable knife) 17, it is installed on the paw 13, can carry out moving of left and right directions.Rear position in fixed blade 16 and movable blade 17, be provided with upper guide (Upper guide) 18 in the mode between the upper surface of the paw about being erected at 12,13, at the lower position of this upper guide 18, be provided with down guider (Lower Guide) 19 (with reference to Fig. 2 B, 2C) in lower surface outstanding mode in path of navigation 15 along paw 12.
As shown in Figure 1, be arranged to by the following cloth KL of joint close and last cloth KU, ora terminalis separately erects in path of navigation 15 under the state that is aligned with each other, and between the paw 12,13 and needle plate 4 about down cloth KL and last cloth KU are clamped in respectively.Under this state, apply sending to of the direction represented with hollow arrow among Fig. 1, cloth KL and last cloth KU down are fed to the bottom of presser feet main body 11, utilize the pin 5,5 of the needle downing position 14 of the substantial middle that drops to presser feet main body 11 ... sew up.
Midway fixed blade 16 and the effect of movable blade 17 and trimmed of the ora terminalis of following cloth KL and last cloth KU by path of navigation 15, following cloth KL after trimming and the ora terminalis of last cloth KU are piled up up and down by the effect of upper guide 18 and following guider 19, are advanced to needle downing position 14.
Fig. 2 A～2E is the action specification figure of presser feet, roughly the section of the presser feet 1 of the direction of the feeding direction quadrature of expression and following cloth KL and last cloth KU.Fig. 2 A represents near the section of leading section of presser feet 1, and Fig. 2 B represents the section based on the off-position of fixed blade 16 and movable blade 17, and Fig. 2 C, 2D represent the section between off-position and the needle downing position 14, and Fig. 2 E represents the section of needle downing position 14.
Shown in Fig. 2 C, 2D, upper guide 18 have paw 12 side height, paw 13 sides low bend to arc lower surface, and upper guide 18 is arranged to, thickness increases towards the rear and is continuous at the lower surface of the anterior position of needle downing position 14 and presser feet main body 11.Following guider 19 is the plates that are fixed on the lower surface of paw 12, and shown in Fig. 2 B, 2C, it has leading edge, and this leading edge is projected in the path of navigation 15 from the dead astern of the equipping position of fixed blade 16 and movable blade 17, and outstanding length increases towards the rear.
Shown in Fig. 2 A, following cloth KL and last cloth KU import path of navigation 15 from the overlapping suitable width of ora terminalis separately with this overlapping portion under the state that is erected on the needle plate 4.For this importing is carried out easily, shown in the double dot dash line among Fig. 2 A, can use accessory plate P sometimes, this accessory plate P stands in the upper surface of needle plate 4, will descend the lap of cloth KL and last cloth KU to remain the state of erecting.
Following cloth KL after quilt imports like this and last cloth KU arrive the equipping position of fixed blade 16 and movable blade 17 shown in Fig. 2 B, ora terminalis separately trims the back and rearward sent to.During this was sent to, shown in Fig. 2 C, 2D, the leading edge that is projected into the following guider 19 in the path of navigation 15 was pushed from the left side, is poured on the needle plate 4 by the following cloth KL of paw 12 clampings in left side., be poured on the following guider 19 that is positioned at the bottom by being bent into 18 guiding of arc upper guide by the last cloth KU of paw 13 clampings on right side, behind the rear end that arrives this time guider 19, overlap the top of the following cloth KL on the needle plate 4.Following cloth KL that overlaps and last cloth KU are advanced to needle downing position 14 shown in Fig. 2 E, by the pin 5,5 that drops to needle downing position 14 ... sew up.
Like this, following cloth KL and last cloth KU are by the action of fixed blade 16 and movable blade 17, ora terminalis is trimmed, effect by upper guide 18 and following guider 19, be piled up up and down, be fed to needle downing position 14, thereby can realize following cloth KL under the overlapping width of constant and the joint close of last cloth KU.At this moment, suitably overlapping as long as the operator will descend near the ora terminalis of cloth KL and last cloth KU, and make it under the state on the needle plate 4, be fed to presser feet 1 and get final product erecting, do not need skilled.
In order to carry out above such joint close well, the ora terminalis of following cloth KL and last cloth KU must correctly trim by the action of fixed blade 16 and movable blade 17.Because fixed blade 16 and movable blade 17 affact the following cloth KL of the upper surface that stands in needle plate 4 and the last ora terminalis of last cloth KU, thus in order correctly to trim ora terminalis, make down cloth KL and last cloth KU to erect attitude stabilization very important.
Following cloth KL on needle plate 4 and last cloth KU erect the medial surface that attitude can be by paw 12,13 (face of facing with path of navigation 15) be used for keep.Thereby,, need make duct width W (with reference to Fig. 2 A) optimization at the path of navigation 15 of 12,13 of the paws of the anterior position of fixed blade 16 and movable blade 17 in order to ensure the stable attitude that erects.
But, because the optimum value of the duct width W of path of navigation 15 is different with the thickness of last cloth KU because of becoming the following cloth KL that makes object, therefore, for example have under the situation of presser feet 1 of the duct width W that is suitable for thick following cloth KL and last cloth KU in use, when making thin following cloth KL and last cloth KU, when particularly making thin and soft following cloth KL and last cloth KU, following cloth KL and last cloth KU can produce deflection in the path of navigation wideer than optimum width 15, thereby the ora terminalis that the action of be fixed blade 16 and movable blade 17 trims produces and rises and falls, as shown in Figure 3, might obtain the bad sewings of residual undulations A on the ora terminalis of last cloth KU.
Otherwise, have in use under the situation of presser feet 1 of duct width W of the following cloth KL that is suitable for approaching and last cloth KU, when making thick following cloth KL and last cloth KU, in the path of navigation narrower 15 than optimum width, following cloth KL and sending to of last cloth KU are hindered, and might give to make and bring obstacle.
Since such situation, in the past, according to the thickness that becomes the cloth of making object, suitably changing presser feet 1 deals with, at the scene of making that thin cloth and thick cloth mix, changing presser feet 1 just needs many times, exists operating efficiency to reduce this problem.
In addition, under the situation of the cloth that processing thickness changes along the travel direction of making, just can not tackle by changing presser feet 1, thereby be difficult to obtain the second best in quality sewings.
Summary of the invention
The present invention finishes in view of such situation, its purpose is to provide a kind of presser feet of Sewing machines, the presser feet of this Sewing machines is by appending simple parts, can be irrelevant with the kind of the cloth that becomes object, the ora terminalis that to go up cloth and following cloth well trims, and can prevent to follow trim incomplete effectively and the generation poor stitching quality.
The presser feet of the Sewing machines of the present invention the 1st aspect has: two paws, and they are positioned at the left and right sides of needle downing position, and almost parallel ground forwards extends mutually; And blade, it is configured in the path of navigation that is formed between these paws midway, the presser feet of this Sewing machines erects in end separately under the state on described needle plate in the described path of navigation of importing being clamped in last cloth between described two paws and the needle plate and following cloth respectively, the ora terminalis that utilizes described blade will go up cloth and following cloth trims, and they are fed to described needle downing position up and down overlappingly, it is characterized in that, the presser feet of this Sewing machines has the aid in guide parts, these aid in guide parts are installed in the described described blade of the ratio position more on the front of going up the paw of cloth of clamping, and are projected into the inboard of described path of navigation.
The presser feet of the Sewing machines of the present invention the 2nd aspect aspect the 1st in, it is characterized in that the aid in guide parts are installed into, can change the overhang in above-mentioned path of navigation by the position adjustments of left and right directions.
The presser feet of the Sewing machines of the present invention the 3rd aspect aspect the 2nd in, it is characterized in that the aid in guide parts are by installing from the limit screw of the top of above-mentioned paw operation.
In the either side of the presser feet of the Sewing machines of the present invention the 4th aspect in aspect the 1st～the 3rd, it is characterized in that the aid in guide parts constitute, can on the width of above-mentioned path of navigation, carry out the elasticity displacement.
As if the detailed description of reading the following stated with reference to accompanying drawing, then can understand the purpose of these inventions and new feature more completely.
Description of drawings
Fig. 1 is near the stereogram of needle downing position that is equipped with the Sewing machines of presser feet in the past.
Fig. 2 A～2E is the action specification figure of presser feet in the past.
Fig. 3 is the figure that is illustrated in resulting bad sewing form under the situation of use presser feet in the past.
Fig. 4 is the exploded perspective view of the presser feet of Sewing machines involved in the present invention.
Fig. 5 is the vertical view of the presser feet of Sewing machines involved in the present invention.
Fig. 6 is the upward view of the presser feet of Sewing machines involved in the present invention.
Fig. 7 A～7E is the action specification figure of the presser feet of Sewing machines involved in the present invention.
The specific embodiment
Below, according to expression accompanying drawing preferred embodiment, the present invention is described in detail.Fig. 4 is the exploded perspective view of the presser feet of Sewing machines involved in the present invention.
As shown in Figure 1, this presser feet 1 be with depression bar 10 drop on the Sewing machines pedestal 3, with presser feet main body 11 and about paw 12,13 upper surface that is pressed in the needle plate 4 of crossbearer on this Sewing machines pedestal 3 use.Lower surface at paw 12,13 is separately installed with slide plate 12a, 13a.Slide plate 12a, 13a are that bending forming is the leaf spring of sled (sled) shape, the holding section that the front and back end bending is provided with is hooked on the trailing edge of the leading edge of paw 12,13 and presser feet main body 11, be fixed on the leading edge of paw 12,13 by limit screw 12b, 13b, thereby be installed to be along the total length of paw 12,13 and presser feet main body 11.
In the bottom of presser feet main body 11,, auxiliary presser feet 9 is installed in the mode between slide plate 12a, 13a at the rear side of needle downing position 14.Auxiliary presser feet 9 will pass the installing hole (not shown) that is arranged on the above-mentioned support foot 11a with its carrying cylinder that is provided with integratedly 90 from the below, the helical spring 91 of the inside by remaining on carrying cylinder 90 is towards the below application of force.Presser feet main body 11 and about pushing in fact of 12,13 pairs of needle plates 4 of paw produce by auxiliary presser feet 9 and slide plate 12a, 13a.
At the middle part of paw 12,13, be provided with the retaining hole of rectangular section in the mode that on width, connects.In the retaining hole of the paw 12 of a side (left side), fixing and keeping tabular fixed blade 16, in the retaining hole of the paw 13 of opposite side (right side), the mode that moves with direction to the left and right keeps movable blade 17.As shown in Figure 5 and Figure 6, fixed blade 16 to and the paw 13 on right side between path of navigation 15 in outstanding suitable length, have the sword face at its jag.Movable blade 17 is given prominence to suitable length too in path of navigation 15, have the sword face overlapping with the sword face of fixed blade 16 at its jag.
Keep the retaining hole of the paw 13 of movable blade 17 to prolong, in being arranged at the maintenance groove 60 of this extension, aid in guide parts 6 are installed to the front portion.As shown in Figure 4, aid in guide parts 6 are the parts with arc curved shape, can be embedded into the fixed block 61 that keeps the rectangle in the groove 60 outstanding being provided with of the opposition side of flexure plane.
Shown in the arrow among Fig. 4, aid in guide parts 6 are fixed by as described below: from the medial surface side of paw 13 fixed block 61 is embedded and keep the grooves 60, limit screw 62 is passed and is fastened on and is arranged at the screwed hole that keeps groove 60 bottom surfaces via being arranged on slotted hole 63 on the fixed block 61 from the circular hole in the upper surface open of paw 13.
As shown in Figure 4, the slotted hole of fixed block 61 63 along about longer, the fixed position of aid in guide parts 6 can be by unclamping limit screw 62, and regulate along left and right directions in the length range of slotted hole 63.Can be via the circular hole of the upper surface of paw 13 from top operation limit screw 62, the position of aid in guide parts 6 can easily be regulated under the user mode of the lower end that presser feet 1 is installed on depression bar 10.
In addition, at the lower surface of paw 13, the rear position in the retaining hole of movable blade 17 is provided with recess 70 along suitable length, embeds in this recess 70 and fixingly forms flat butt parts 7.Be provided with the groove of the notch 71 on the top of above-mentioned recess 70, this groove of the notch 71 extends at the upper surface of paw 13 and lateral surface opening and at left and right directions.
Shown in the arrow among Fig. 4, butt parts 7 are fixed by as described below: be embedded into the above-mentioned recess 70 from lower position, and the limit screw 72 that will pass in the slotted hole of the bottom surface that is arranged at the groove of the notch 71 is fastened in the screwed hole that is arranged on the butt parts 7.
As shown in Figure 4, the slotted hole of the bottom surface of the groove of the notch 71 is longer along left and right directions, and the fixed position of butt parts 7 can be by unclamping limit screw 72, and regulate along left and right directions in the length range of above-mentioned slotted hole.Can be via the opening on the top of the groove of the notch 71 from top operation limit screw 72, the position of butt parts 7 can easily be regulated under the user mode of the lower end that presser feet 1 is installed on depression bar 10.
Lower surface at the paw 12 of opposite side (left side) is equipped with and identical in the past following guider 19.Following guider 19 is by the plate of the rectangle of the fastening lower surface that is fixed on paw 12 of limit screw 80, in path of navigation 15 1 sides, as described later, has outstanding leading edge.
In addition, the lower surface at paw 12 is equipped with leaf spring 8.As shown in Figure 4, leaf spring 8 be connected with an edge of the overlapping rectangle stator 81 of following guider 19, left and right directions have from be connected with edge generally perpendicularly erect the back from the upper end of this rising portions the curved shape towards the opposite side step-down, have from the front portion towards the rear portion curved shape of step-down gradually at fore-and-aft direction.
Fig. 5 is the vertical view (plane of observing from the top) of presser feet 1 involved in the present invention, Fig. 6 is the upward view (from the plane of beneath) of presser feet 1 involved in the present invention, as previously mentioned, fixed blade 16 and the movable blade 17 shown in the double dot dash line of the plan-position of the aid in guide parts 6 after the installation, butt parts 7 and leaf spring 8 relation in figure represented.Movable blade 17, is done at the enterprising deactuate of left and right directions shown in the hollow arrow among Fig. 5 and Fig. 6 by the transmission from not shown driving mechanism.By this advance and retreat action, the sword face sliding-contact of the sword face of movable blade 17 and fixed blade 16 as described later, is cut off the ora terminalis that erects of the last cloth KU that is imported in the path of navigation 15 and following cloth KL.
Aid in guide parts 6 are to be bent into the anterior inboard that the mode of arc one side towards the inboard is installed in the paw 13 on right side.The flexure plane of aid in guide parts 6 from the leading section of paw 13 to the equipping position of fixed blade 16 and movable blade 17, be projected into and paw 12 between path of navigation 15 in.Aid in guide parts 6 can carry out the position adjustments of left and right directions, regulate by this, can change the overhang to path of navigation 15 inboards.
As shown in Figure 6, be installed in paw 13 lower surface butt parts 7 from the rear side of the equipping position of fixed blade 16 and movable blade 17 to the needle downing position 14 that is arranged on the presser feet main body 11.The edge portion of the butt parts 7 of the inboard of paw 13 be projected into and paw 12 between the inboard of path of navigation 15, be positioned at the dead ahead of needle downing position 14.
As mentioned above, the following guider 19 of lower surface that is fixed on the paw 12 in left side have be projected into and paw 13 between the leading edge of inboard of path of navigation 15.The outstanding length of this leading edge as shown in Figure 6, along with from the lower position of the sliding contacting part of fixed blade 16 and movable blade 17 towards the rear (below the figure) and become big.
As shown in Figure 6, the front end that is fixed on the leaf spring 8 on the paw 12 with following guider 19 is positioned at the top position of sliding contacting part of the sword face of fixed blade 16 and movable blade 17.The rear end of the leaf spring 8 that has above-mentioned curved shape and rearward extend is positioned at the dead ahead of the needle downing position 14 that is arranged on presser feet main body 11.
As shown in Figure 5, on the top of presser feet 1, the rear side at the sliding contacting part of fixed blade 16 and movable blade 17 is provided with upper guide 18 in the mode between the paw about being erected at 12,13.As previously mentioned, be installed in the top of the leaf spring 8 on the paw 12 by these upper guide 18 coverings.At the upper surface of upper guide 18, be formed with the continuous gathering sill 18a of outer rim with the left side (paw 12 1 sides) of presser feet main body 11 towards oblique rear from leading edge.This gathering sill 18a plays the guiding function that the cloth end that will be cut off like that as described later by fixed blade 16 and movable blade 17 is discharged to the left side.
The joint close that is undertaken by the Sewing machines with the presser feet 1 that as above constitutes like that is with identical in the past, realize by as described below: will become under the state that the following cloth KL that makes object and last cloth KU erect in end separately and align, in the path of navigation 15 between the paw 12,13 about importing, sliding contacting part in fixed blade 16 and movable blade 17 trims ora terminalis, is piled up up and down to be fed to needle downing position 14.
Fig. 7 A～7E is the action specification figure of the presser feet of Sewing machines involved in the present invention.The action specification figure of this figure and presser feet in the past (Fig. 2 A～2E) same, the roughly section of the presser feet 1 of the direction of the feeding direction quadrature of expression and following cloth KL and last cloth KU.Fig. 7 A represents the section of the leading section of presser feet 1, and Fig. 7 B represents that based near the section the off-position of fixed blade 16 and movable blade 17, Fig. 7 C, 7D represent the section between off-position and the needle downing position 14, and Fig. 7 E represents the section of needle downing position 14.
Shown in Fig. 7 C, 7D, the lower surface of upper guide 18 has the low arc curved shape of paw 13 sides of cloth KU on the paw 12 side height, clamping of cloth KL under the clamping, and thickness increases towards the rear, and continuous with the anterior position of needle downing position 14.Be installed in the shape of the above-mentioned curved shape of the leaf spring 8 on the paw 12 corresponding to the lower surface of upper guide 18, shown in Fig. 7 C, 7D, the mode that this leaf spring 8 is faced with the lower surface that separates suitable gap and upper guide 18 is located.
Shown in Fig. 7 A, by the following cloth KL of joint close and last cloth KU be clamped between left and right sides paw 12,13 and the needle plate 4 near the end that makes separately and from ora terminalis overlapping predetermined width extent, this overlapping portion is erected under the state on the needle plate 4, import in the path of navigation 15.P among Fig. 7 A is the accessory plate that is provided with for the lap that will descend cloth KL and last cloth KU remains on the state of erecting.
In presser feet involved in the present invention 1, the aid in guide parts 6 that are installed on the paw 13 of cloth KU in the clamping are outstanding at the leading section of path of navigation 15.The last cloth KU of these aid in guide parts 6 in the face of erecting from needle plate 4 with from the paw 12 of opposite sides to the opposing party of following cloth KL, plays a part to make down cloth KL and last cloth KU stably to keep erecting attitude on needle plate 4.
The overhang of aid in guide parts 6 can increase and decrease by the position adjustments of left and right directions as previously mentioned, regulates by this, can suitably change the duct width W of the path of navigation 15 that is used to import down cloth KL and last cloth KU.Thereby, be set at suitable duct width W according to the kind that becomes the cloth of sewing up object, thus, make down cloth KL and last cloth KU irrelevant with separately thickness, soft or hard, can remain the stable attitude that erects.
Aid in guide parts 6 can carry out position adjustments by the top operation limit screw 62 from paw 13, even under the situation of handling various cloth KL down and last cloth KU, also can promptly tackle.In addition, even under the situation of handling the cloth that the travel direction of thickness along sewing change, as long as the variation of estimated thickness, the words that the position of aid in guide parts 6 is set, just can not hinder than the passing through of thickness portion, can stably keep the attitude that erects of other parts.
Aid in guide parts 6 can have such structure: it is formed at left and right directions rubber-like leaf spring, can carry out the elasticity displacement at the width of path of navigation 15.According to this structure, under the situation of handling the cloth that the travel direction of thickness along above-mentioned sewing change, leaf spring just can change by absorber thickness thus in the change section deflection of thickness, can further keep the attitude that erects of following cloth KL and last cloth KU well.
Be imported into following cloth KL in the path of navigation 15 and last cloth KU like this shown in Fig. 7 B, arrive the equipping position of fixed blade 16 and movable blade 17, ora terminalis is trimmed on it.Because aid in guide parts 6 extend the dead ahead that is set to fixed blade 16 and movable blade 17, therefore, the last ora terminalis of following cloth KL and last cloth KU can keep stable and erect attitude and trimmed.Thereby, as shown in Figure 3, under the state of the residual undulations A of ora terminalis that can avoid, producing the danger of sewing up bad sewing form on the cloth KL down at last cloth KU.
As mentioned above, the front end of leaf spring 8 is positioned at the upper back of fixed blade 16 and movable blade 17, the front portion of following guider 19 is positioned at the bottom, the bottom butt of the following cloth KL after the leading edge of following guider 19 cuts off be fixed blade 16 and movable blade 17, the top butt of leaf spring 8 and last cloth KU.And the cloth end after blade 16 and the movable blade of being fixed 17 cut off is directed among the gathering sill 18a of the upper surface that is arranged at upper guide 18 as previously mentioned and is discharged from.
Trim the following cloth KL of upper limb and last cloth KU by fixed blade 16 and movable blade 17 and follow further and send to, shown in Fig. 7 C, 7D, near needle downing position 14.During this period, following cloth KL is pushed from the left side by the leading edge of the following guider 19 that increases the outstanding length in path of navigation 15, is poured on the needle plate 4 of bottom.
In addition, last cloth KU is pushed downwards with the leaf spring 8 of top butt.It is low and towards the curved shape of rear step-down that leaf spring 8 has paw 13 sides of cloth KU in the clamping, last cloth KU pushes below to the right by the effect of leaf spring 8, be poured over down on the guider 19, in the position of sending to shown in Fig. 7 D of the rear end that surpasses following guider 19, overlap onto down the upper surface of cloth KL.
Following cloth KL and last cloth KU follow further and send to, shown in Fig. 7 E, arrive the anterior position of needle downing position 14.Following guider 19 is not present on this position, and last cloth KU directly overlaps down the upper surface of cloth KL.In the anterior position of needle downing position 14, the butt parts 7 that are installed in the lower surface of paw 13 are given prominence to.Shown in Fig. 7 D, the jag of these butt parts 7 will be gone up cloth KU towards pushing with the overlapping portion of following cloth KL, and therefore, last cloth KU has no to overlap down loosely the upper surface of cloth KL, under this state, be fed to needle downing position 14, by the pin 5,5 that drops to this needle downing position ... sew up.
As in the above detailed description clear and definite, in the presser feet of the Sewing machines aspect the of the present invention the 1st, on the paw of cloth in the clamping, anterior position in blade (fixed blade 16 and movable blade 17), the aid in guide parts that are projected in the path of navigation are installed, therefore, can limit and another paw between the width of path of navigation, make that cloth KU and following cloth KL's erect attitude and their thickness, the kind of clothes such as soft or hard is irrelevant, can stably keep, can utilize blade to carry out trimming of ora terminalis well, can prevent to follow trim incomplete effectively and produce poor stitching quality.
In addition, aspect the 2nd in the presser feet of related Sewing machines, for example, because the aid in guide parts that can change the overhang in path of navigation by the position adjustments of left and right directions are installed, therefore, can change duct width according to the kind of cloth, can further stably keep the attitude that erects of cloth and following cloth, can utilize blade that ora terminalis is trimmed well.
In addition, aspect the 3rd, in the presser feet of related Sewing machines,, therefore, can implement the optimization of the duct width corresponding simply with the kind of cloth owing to can change the overhang of aid in guide parts by operation from the top.
And then, aspect the 4th in the related sewing-machine foot, because the aid in guide parts carry out the elasticity displacement on the width of path of navigation, therefore, even under the situation of the cloth that processing thickness changes along the travel direction of sewing, also can follow, can prevent to follow trim incomplete effectively and produce poor stitching quality by the displacement of aid in guide parts.
More than, at the embodiment described in the detailed description of the invention paragraph, after all, but be that intention is understood technology contents of the present invention, the present invention is not limited in these concrete examples and to the explanation of its narrow sense, in the described scope of the scope of spirit of the present invention and claim, can carry out all changes and enforcement.
Claims (4)
1. the presser feet of a Sewing machines, the presser feet of this Sewing machines has: two paws, they are positioned at the left and right sides of needle downing position, and almost parallel ground forwards extends mutually; And blade, it is configured in the path of navigation that is formed between these paws midway, the presser feet of this Sewing machines erects in end separately under the state on described needle plate in the described path of navigation of importing being clamped in last cloth between described two paws and the needle plate and following cloth respectively, the ora terminalis that utilizes described blade will go up cloth and following cloth trims, and they are fed to described needle downing position up and down overlappingly, it is characterized in that
The presser feet of this Sewing machines has the aid in guide parts, and these aid in guide parts are installed in the described described blade of the ratio position more on the front of going up the paw of cloth of clamping, and is projected into the inboard of described path of navigation.
2. the presser feet of Sewing machines as claimed in claim 1 is characterized in that,
Described aid in guide parts are installed into, and can change the overhang in described path of navigation by the position adjustments of left and right directions.
3. the presser feet of Sewing machines as claimed in claim 2 is characterized in that,
Described aid in guide parts are by installing from the limit screw that operate the top of described paw.
4. as the presser feet of each the described Sewing machines in the claim 1 to 3, it is characterized in that,
Described aid in guide parts constitute, and can carry out the elasticity displacement at the width of described path of navigation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006356058A JP2008161541A (en) | 2006-12-28 | 2006-12-28 | Presser foot of sewing machine |
| JP2006356058 | 2006-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101210364A true CN101210364A (en) | 2008-07-02 |
Family
ID=39610613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103011703A Pending CN101210364A (en) | 2006-12-28 | 2007-12-26 | Sewing machine presser foot |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2008161541A (en) |
| KR (1) | KR20080063068A (en) |
| CN (1) | CN101210364A (en) |
| TW (1) | TW200837242A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935922A (en) * | 2009-06-30 | 2011-01-05 | 大和缝纫机制造株式会社 | Pressing device of sewing machine |
| CN102031648A (en) * | 2010-11-18 | 2011-04-27 | 浙江莱克缝纫机有限公司 | Stretched-thread traction mechanism of four-needle six-thread splicing and sewing machine |
| CN102140740A (en) * | 2010-11-12 | 2011-08-03 | 苏州市青田企业发展有限公司 | Double-needle pressing lower hem positioning device |
| CN103510281A (en) * | 2012-06-20 | 2014-01-15 | 高林股份有限公司 | Pressure foot structure of sewing machine |
| CN104088089A (en) * | 2014-07-21 | 2014-10-08 | 嘉兴莱天华服饰有限公司 | Presser foot capable of regulating width of covered edge |
| CN104294487A (en) * | 2014-09-04 | 2015-01-21 | 宁波瑞铭机械有限公司 | Presser foot |
| CN104831479A (en) * | 2015-05-26 | 2015-08-12 | 际华三五三四制衣有限公司 | Sewing machine head used for processing shirt sleeve caps |
| CN107604542A (en) * | 2017-10-23 | 2018-01-19 | 盐城喜可织造有限公司 | A kind of practical sewing device of Velcro manufacture |
| CN110714278A (en) * | 2018-07-12 | 2020-01-21 | 浙江中捷缝纫科技有限公司 | Sewing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6508535B2 (en) * | 2016-04-04 | 2019-05-08 | ヤマトミシン製造株式会社 | sewing machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0222778U (en) * | 1988-07-26 | 1990-02-15 | ||
| JP2002085873A (en) * | 2000-09-19 | 2002-03-26 | Pegasus Sewing Mach Mfg Co Ltd | Presser bar for sewing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2597960Y2 (en) * | 1993-03-01 | 1999-07-26 | ペガサスミシン製造株式会社 | Sewing machine presser foot |
| JP3499358B2 (en) * | 1996-01-19 | 2004-02-23 | ペガサスミシン製造株式会社 | Sewing machine with scalpel presser with cloth guide |
| JP3391684B2 (en) * | 1998-02-18 | 2003-03-31 | グンゼ株式会社 | Sewing presser |
| JP2001137581A (en) * | 1999-11-10 | 2001-05-22 | Yamato Sewing Mach Co Ltd | Presser foot for sewing machine |
-
2006
- 2006-12-28 JP JP2006356058A patent/JP2008161541A/en active Pending
-
2007
- 2007-11-15 TW TW096143179A patent/TW200837242A/en unknown
- 2007-12-03 KR KR1020070124298A patent/KR20080063068A/en not_active Application Discontinuation
- 2007-12-26 CN CNA2007103011703A patent/CN101210364A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0222778U (en) * | 1988-07-26 | 1990-02-15 | ||
| JP2002085873A (en) * | 2000-09-19 | 2002-03-26 | Pegasus Sewing Mach Mfg Co Ltd | Presser bar for sewing machine |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935922A (en) * | 2009-06-30 | 2011-01-05 | 大和缝纫机制造株式会社 | Pressing device of sewing machine |
| CN101935922B (en) * | 2009-06-30 | 2013-01-30 | 大和缝纫机制造株式会社 | Pressing device of sewing machine |
| CN102140740A (en) * | 2010-11-12 | 2011-08-03 | 苏州市青田企业发展有限公司 | Double-needle pressing lower hem positioning device |
| CN102031648A (en) * | 2010-11-18 | 2011-04-27 | 浙江莱克缝纫机有限公司 | Stretched-thread traction mechanism of four-needle six-thread splicing and sewing machine |
| CN103510281A (en) * | 2012-06-20 | 2014-01-15 | 高林股份有限公司 | Pressure foot structure of sewing machine |
| CN103510281B (en) * | 2012-06-20 | 2015-04-15 | 高林股份有限公司 | Pressure foot structure of sewing machine |
| CN104088089A (en) * | 2014-07-21 | 2014-10-08 | 嘉兴莱天华服饰有限公司 | Presser foot capable of regulating width of covered edge |
| CN104294487A (en) * | 2014-09-04 | 2015-01-21 | 宁波瑞铭机械有限公司 | Presser foot |
| CN104831479A (en) * | 2015-05-26 | 2015-08-12 | 际华三五三四制衣有限公司 | Sewing machine head used for processing shirt sleeve caps |
| CN104831479B (en) * | 2015-05-26 | 2017-03-22 | 际华三五三四制衣有限公司 | Sewing machine head used for processing shirt sleeve caps |
| CN107604542A (en) * | 2017-10-23 | 2018-01-19 | 盐城喜可织造有限公司 | A kind of practical sewing device of Velcro manufacture |
| CN110714278A (en) * | 2018-07-12 | 2020-01-21 | 浙江中捷缝纫科技有限公司 | Sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008161541A (en) | 2008-07-17 |
| TW200837242A (en) | 2008-09-16 |
| KR20080063068A (en) | 2008-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101210364A (en) | Sewing machine presser foot | |
| CN101676466B (en) | Presser foot and sewing machine | |
| US4389952A (en) | Needle bar operated trimmer | |
| CN200988895Y (en) | Sequin transfering apparatus | |
| CN101210365A (en) | Sewing machine presser foot device | |
| CN101935922A (en) | Pressing device of sewing machine | |
| CN1908279B (en) | Cutting cloth device for buttonhole sewing machine | |
| CN101824709B (en) | Double-chain stitch sewing machine having box-shaped bed | |
| CN103114389B (en) | The cloth-cutting apparatus of sewing machine | |
| JP3754880B2 (en) | Sewing machine presser foot | |
| JP6508535B2 (en) | sewing machine | |
| US2642020A (en) | Trimming mechanism for sewing machines | |
| JP2003181176A (en) | Binding machine | |
| EP1099788B1 (en) | Sewing machine | |
| US1255501A (en) | Tape-cutting mechanism for sewing-machines. | |
| JP3499358B2 (en) | Sewing machine with scalpel presser with cloth guide | |
| PL178805B1 (en) | Apparatus for decoratively sewing together various products in particular those made of leather | |
| US1015922A (en) | Seam-trimmer and edge-binder for sewing-machines. | |
| US970702A (en) | Welt-attaching apparatus. | |
| US11214903B2 (en) | Sewing machine | |
| US2550322A (en) | Sewing machine | |
| US630209A (en) | Sewing-machine trimmer. | |
| JPS6129756Y2 (en) | ||
| CN101191279A (en) | Bottom wire-cutting device capable of adjusting length of cut suture line | |
| JP2007185296A (en) | Differential feed sewing machine and fabric presser device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080702 |