CN105624933A - Feeding tooth lifting fork for sewing machine - Google Patents
Feeding tooth lifting fork for sewing machine Download PDFInfo
- Publication number
- CN105624933A CN105624933A CN201610210623.0A CN201610210623A CN105624933A CN 105624933 A CN105624933 A CN 105624933A CN 201610210623 A CN201610210623 A CN 201610210623A CN 105624933 A CN105624933 A CN 105624933A
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- CN
- China
- Prior art keywords
- fork
- installation portion
- tooth
- feeding
- shaped
- 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.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/24—Feed-dog lifting and lowering devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a feeding tooth lifting fork for a sewing machine. The feeding tooth lifting fork for the sewing machine comprises a mounting part which is provided with a mounting hole, a fork-shaped part and a fixed part which are connected with the peripheral surface of the mounting part, and a fracture which axially penetrates through the mounting part and the fixed part, wherein the fixed part is divided into two screwing parts through the fracture; screwing holes are formed in the two screwing parts; a first notch which extends in the axial direction of the mounting part, and axially penetrates through the fork-shaped part is formed in the joint of the mounting part and the fork-shaped part; the screwing parts are disconnected from the fork-shaped part through the first notch. According to the feeding lifting fork for the sewing machine, the screwing parts are disconnected from the fork-shaped part through the first notch, so that the stress generated by the deformation of the screwing parts cannot be concentrated at the root part of the fork-shaped part through the mounting part in the process of fixing the feeding tooth lifting fork to a feeding shaft by using a bolt, and the matching precision of the fork-shaped part and a sliding block is ensured; moreover, the first notch extends in the axial direction of the mounting part and is only required to axially penetrate through the fork-shaped part, so that the first notch is short in length, the connecting strength between the mounting part and the fork-shaped part is ensured, and the mechanical strength of the feeding tooth lifting fork is improved.
Description
Technical field
The present invention relates to a kind of sewing machine, tooth fork is lifted in the feeding particularly relating to a kind of sewing machine.
Background technology
It is one of important parts in sewing machine feeding mechanism that tooth fork (also known as feeding feed lifting rock fork-shaped crank) is lifted in feeding, in traditional sewing machine structure, feeding mechanism lift agomphiasis do be rely on feeding lift tooth fork be arranged on feeding lift tooth fork fork-shaped portion opening (also known as chute) in slide block routing motion realize. Such as, application number be 201510643928.6 Chinese invention patent application specification sheets disclosed in sewing machine feed lifting mechanism, feed spool drives retainer to move back and forth up and down by the 2nd gear unit, an embodiment of the 2nd gear unit can adopt following structure: the 2nd gear unit comprises and is fixed on the feed lifting rock fork-shaped crank (i.e. feeding lift tooth fork) lifted on tooth axle and the 2nd slide block being articulated with retainer end, offering the chute along the radial extension lifting tooth axle in feed lifting rock fork-shaped crank, the 2nd slide block is located in chute and can be moved around along the bearing of trend of chute; Therefore, when lifting tooth axle and drive feed lifting rock fork-shaped crank synchronous hunting, drive retainer synchronously to move back and forth up and down together with feeding tooth by the 2nd slide block with cooperatively interacting of chute. In order to ensure to lift the accuracy that tooth axle drives retainer and feeding tooth to move back and forth up and down, the quality of fit that feeding is lifted between the chute of tooth fork and slide block requires very high, and the performance of feeding mechanism is had extremely important impact by it.
At present, the structure of tooth fork is lifted in feeding: as depicted in figs. 1 and 2, feeding is lifted tooth fork and is comprised the installation portion 1 being provided with open holes 11, from the fixing portion that the periphery in installation portion 1 radial direction is extended, from the outward extending fork-shaped portion 2 of the periphery in installation portion 1, and axially run through the fracture 3 in installation portion 1 and fixing portion, fixed part is slit into first and tightens portion 4 and the 2nd and tighten portion 5 by described fracture 3, first tightens and has offered through hole 41 in portion 4, 2nd tightens the threaded hole 51 offered in portion 5 and be coaxially set with through hole 41, described fork-shaped portion 2 comprises the first tooth fork 21, 2nd tooth fork 22, root 25, and by the first tooth fork 21, the chute 23 that 2nd tooth fork 22 and root 25 are formed, chute 23 is for matching with slide block. above-mentioned feeding is lifted tooth fork be fixed on feed spool method be: feed spool is located in the open holes 11 in installation portion 1, and a screw is worn in through hole 41 and threaded hole 51 successively and tightened, thus is fixed on feed spool in installation portion 1. but, in the process tightening screw, first tightens portion 4 and the 2nd tightens portion 5 and mutually draws close final locking, first tightens portion 4 and the 2nd tightens portion 5 and deforms, thus cause the near zone tightening portion 4 first, 2nd tightens the near zone in portion 5, and there is territory, area of stress concentration 6 the transition junction in installation portion 1 and fork-shaped portion 2, first tighten portion 4 and the 2nd tighten 5 liang, portion place stress finally cause root 25 place in fork-shaped portion 2 to have stress concentration phenomenon, and then cause the extended distance between the first tooth fork 21 and the 2nd tooth fork 22 easily to become big, make the matching loose of chute 23 with slide block, when finally causing sewing machine to run, noise is excessive, and seriously affect the performance of feeding mechanism.
For this reason, application number be 201120445234.9 the feeding that discloses a kind of sewing machine of Chinese utility model patent specification sheets lift tooth fork, it arranges the 2nd fracture of side along fork in installation portion, the interior side of fork is that the fork back of the body is to the end face in installation portion, therefore, 2nd fracture along the circumference extension in installation portion, by the 2nd fracture solve screw-driving fixing after fork opening easily become big problem by power. or, application number be 201320221285.2 the feeding that also discloses a kind of sewing machine of Chinese utility model patent specification sheets lift tooth fork, installation portion is arranged to connect cylinder and the fork with shack by it, offer one section of point breach between cylinder and shack connecting, with this solve screw-driving fixing after the fork opening problem that is subject to power easily to become big. but, feeding disclosed in above-mentioned two sections of documents is lifted tooth fork and all be there is following defect: the fracture offered for intercepting Stress transmit is all between installation portion and fork, circumference along installation portion extends and splits installation portion and fork, and the length of the arc section that installation portion is connected with fork is longer, account for 1/2 circle in installation portion, therefore the length of fracture to be at least greater than 1/2 circle in installation portion, directly cause the strength of joint between installation portion and fork very weak, so that the easy incision position between installation portion and fork of tooth fork is lifted in feeding produces repeated stress failure, significantly reduce the physical strength that tooth fork is lifted in feeding, shorten the work-ing life that tooth fork is lifted in feeding.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide the feeding of a kind of sewing machine and lifts tooth fork, and it can intercept Stress transmit in screw-driving process to fork-shaped portion, can ensure that the physical strength of tooth fork is lifted in feeding again.
For achieving the above object, the present invention provides the feeding of a kind of sewing machine to lift tooth fork, the fork-shaped portion that the periphery comprising the installation portion and installation portion that are provided with open holes is connected and fixing portion and axially run through installation portion and the fracture in fixing portion, fixed part is slit into two and tightens portion by described fracture, tighten portion has all offered for two and tighten hole, offer first otch in axially extension and axial through fork-shaped portion along installation portion in the junction in described installation portion and fork-shaped portion, described first otch will tighten portion and fork-shaped portion disconnects.
Preferably, the feeding including installation portion, fork-shaped portion and fixing portion is lifted tooth fork and is integrated part.
Further, described installation portion having offered along the axially extended two incisions in installation portion, this two incisions is between described fracture and the first otch.
Preferably, described share is in the end in installation portion, and described first otch all extends in installation portion, with the one end of two incisions, an end portion being connected with fork-shaped portion.
Preferably, described first otch and two incisions in installation portion length axially be all greater than fork-shaped portion in installation portion width axially.
Further, the chute that described fork-shaped portion comprises the first tooth fork, the 2nd tooth fork, root and formed by the first tooth fork, the 2nd tooth fork and root, also having offered lubricating oil outlet on the root in described fork-shaped portion, the two ends of this lubricating oil outlet are connected with chute with open holes respectively.
Further, two screwed portions are not first tighten portion and the 2nd and tighten portion, first tightens and tightens Kong Weiyi through hole in portion, 2nd tightens and tightens Kong Weiyi threaded hole in portion, described through hole and threaded hole are coaxially set, pass for confession screw, described first tightens to offer in portion and is connected with through hole and aperture is greater than the heavy hole of through hole, and described heavy hole is for accommodating screw head.
As mentioned above, it is necessary, tooth fork is lifted in the feeding of the sewing machine that the present invention relates to, there is following useful effect:
This feeding is lifted tooth fork and is tightened portion and fork-shaped portion by the first otch cut-out in installation portion, therefore, at use screw, feeding is lifted tooth fork to be fixed in the process on feed spool, two portions of tightening draw close until the stress produced when locking, by the portion's of tightening distortion is not concentrated in installation portion and the transition position in fork-shaped portion gradually, greatly reduce the stress concentration phenomenon at the root place in fork-shaped portion, so that the distortion amount of the two of fork-shaped portion tooth forks is in specialized range, and then ensure that the quality of fit of fork-shaped portion and slide block; Moreover, first otch extends along the axis in installation portion, and the first otch only needs axially to run through fork-shaped portion, therefore the length of the first otch is shorter, and then the strength of joint that can ensure between installation portion and fork-shaped portion, thus improve feeding and lift the physical strength of tooth fork, extend the work-ing life that tooth fork is lifted in feeding.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, tooth fork is lifted in feeding.
Fig. 2 is that in Fig. 1, the sectional drawing of tooth fork in through hole is lifted in feeding.
Fig. 3 and Fig. 4 is the structural representation that in the application, tooth fork is lifted in feeding.
Fig. 5 is that in Fig. 3, the sectional drawing of tooth fork in through hole is lifted in feeding.
Fig. 6 is the stress pattern of feeding Tai Ya mechanism in screw-driving process in the application.
Element numbers explanation
1 installation portion
11 open holess
2 fork-shaped portions
21 first tooth forks
22 the 2nd tooth forks
23 chutes
24 lubricating oil outlets
25 roots
3 fractures
4 first tighten portion
41 through holes
42 heavy holes
5 the 2nd tighten portion
51 threaded holes
6 territory, areas of stress concentration
7 first otch
8 two incisions
9 fixing portions
Embodiment
By particular specific embodiment, embodiments of the present invention being described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages and effect of the present invention easily.
Notice, structure that this specification sheets institute accompanying drawings illustrates, ratio, size etc., all only content in order to coordinate specification sheets to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore do not have an essential meaning in technology, the adjustment of the modification of any structure, the change of proportionlity or size, not affecting under effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain. Simultaneously, this specification sheets is quoted as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and it is not used to limit the enforceable scope of the present invention, the change of its relative relation or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
The application provides the feeding of a kind of sewing machine to lift tooth fork, as shown in Figure 3 and Figure 4, the fork-shaped portion 2 that the periphery comprising the installation portion 1 and installation portion 1 that are provided with open holes 11 is connected and fixing portion 9 and axially run through the fracture 3 in installation portion 1 and fixing portion 9, fixing portion 9 is divided into two to tighten portion by described fracture 3, tightens all to have offered in portion for two and tightens hole. this feeding is lifted tooth fork when being fixed on feed spool, installation portion 1 is enclosed within feed spool, tighten hole is worn into and tightening screw, therefore two are tightened and mutually draw close until lock in the process that portion constantly screws at screw, pitch be fixed on feed spool so that tooth is lifted in whole feeding. in the process that screw screws, two portions of tightening can deform, thus produces stress concentration phenomenon at two near zones tightening portion, and meanwhile, stress also passes to fork-shaped portion 2 by installation portion 1. in order to intercept installation portion 1 by the portion's of tightening distortion the Stress transmit that produces to fork-shaped portion 2, avoid root 25 place in fork-shaped portion 2 to produce stress concentration phenomenon, the application is by the following technical solutions: as shown in Figure 3 and Figure 4, the zone of transition place being connected with fork-shaped portion 2 in described installation portion 1 offers first otch 7 in axially extension and axial through fork-shaped portion 2 along installation portion 1, and described first otch 7 will tighten portion and fork-shaped portion 2 disconnects. therefore, at use screw, feeding is lifted tooth fork to be fixed in the process on feed spool, when the stress produced because of the portion's of tightening distortion is transmitted by installation portion 1, Stress transmit phenomenon is blocked at the first otch 7 place, thus reduce fork-shaped portion 2, the particularly stress concentration phenomenon at root 25 place in fork-shaped portion 2, and then greatly reduce the area of the root 25 upper stress concentrated area 6 in fork-shaped portion 2, effectively improve the stress distribution at place of fork-shaped portion 2, reduce the distortion amount of two tooth forks in fork-shaped portion 2, make its amount of distortion within the limits prescribed, thus ensure that the quality of fit of fork-shaped portion 2 with slide block, effectively solution fork-shaped portion 2 affects by screw preliminary tension and deforms, cause the problem of chute 23 with slide block matching loose, and then reduce noise when sewing machine runs, also effectively ensure the performance of feeding mechanism and the sewing performance of sewing machine simultaneously. in addition, first otch 7 extends along the axis in installation portion 1, and 7, the first otch needs axially to run through fork-shaped portion 2, therefore the length of the length of the first otch 7 arc section shorter, that contact with installation portion 1 much smaller than fork-shaped portion 2, compared to existing technologies, the application can also ensure the strength of joint between installation portion 1 and fork-shaped portion 2, avoid feeding to lift tooth fork, at the first otch 7 place, repeated stress failure phenomenon occurs, thus improve feeding and lift the physical strength of tooth fork, extend the work-ing life that tooth fork is lifted in feeding, also it is convenient to processing.
A kind of feeding is below provided to lift the preferred embodiment of tooth fork.
As shown in Figures 3 to 5, the feeding including installation portion 1, fork-shaped portion 2 and fixing portion 9 is lifted tooth fork and is integrated part, therefore installation portion 1 and fork-shaped portion 2 connect as one part, installation portion 1 and fixing portion 9 also connect as one part, and fork-shaped portion 2 and fixing portion 9 distribute side by side along the axis left and right in installation portion 1 and be in staggered distribution along the circumference in installation portion 1. Described fixing portion 9 is divided into first to tighten portion 4 and the 2nd by fracture 3 and tightens portion 5, described first tightens and tightens Kong Weiyi through hole 41 in portion 4,2nd tightens and tightens Kong Weiyi threaded hole 51 in portion 5, described through hole 41 and threaded hole 51 are coaxially set, pass for confession screw, and through hole 41 is mutually parallel with the tangent line of installation portion 1 outer circumference surface with the axis of threaded hole 51. Described fork-shaped portion 2 comprises the first tooth fork 21, the 2nd tooth fork 22 and root 25, described first tooth fork 21, the 2nd tooth fork 22 and root 25 form a chute 23 jointly, described chute 23 is for coordinating with slide block, the inner peripheral surface of described root 25 is that circular arc curved surface and the outer circumference surface with installation portion 1 fit, therefore, the inner peripheral surface of root 25 longer along the circumferential lengths in installation portion 1, be root 25 (i.e. fork-shaped portion 2) along the 3-5 doubly left and right of the axial width in installation portion 1. Described 2nd tooth fork 22 is directly tightened portion 5 with the 2nd and is connected as one, and the first otch 7 being opened in installation portion 1 is tightened between portion 4 and the first tooth fork 21 first, thorough partition first is tightened portion 4 and by installation portion 1, stress is passed to fork-shaped portion 2.
Screw is used feeding to be lifted tooth fork and feed spool when being locked, screw is worn the first through hole 41 tightening in portion 4 and the 2nd threaded hole 51 tightening in portion 5 successively and is threaded with threaded hole 51, therefore first tightens portion 4 and the 2nd and tightens portion 5 and mutually draw close along the tangent line direction of installation portion 1 outer circumference surface so producing distortion, first tightens stress that portion 4 is out of shape and produce is delivered in installation portion 1 along the circumference in installation portion 1 and is cut off at the first otch 7 place, therefore stress concentrates in the installation portion 1 at the first otch 7 place, simultaneously, owing to having offered axial extension first otch 7 in installation portion 1, therefore tighten the installation portion 1 that portion 4 is connected with first and also to be deformed at the first otch 7 place simultaneously, therefore, stress substantially all concentrates on and is positioned at fracture 3 place, and first otch 7 place first tighten in portion 4 and installation portion 1, the first deformation extent tightening portion 4 is made to tighten the deformation extent in portion 5 much larger than the 2nd, reduce the stress concentration phenomenon that the 2nd tightens place of portion 5 further, finally greatly reduce, or even basic elimination tighten portion 4 and the 2nd by first and tighten the stress concentration phenomenon that portion 5 is out of shape and root 25 in fork-shaped portion 2 produces. now, described feeding lifts the stress distribution situation on tooth fork as shown in Figure 6, thus known, territory, area of stress concentration 6 is substantially distributed in first and tightens portion 4 and tighten the junction of portion 5 with installation portion 1 with the junction in installation portion 1, the part installation portion 1 and the 2nd at the first otch 7 place, compared to existing technologies, considerably reduce, even say the area in the territory, area of stress concentration, root 25 place 6 substantially eliminating fork-shaped portion 2, so that the distortion amount of the first tooth fork 21 and the 2nd tooth fork 22 is within the limits prescribed, ensure the quality of fit of chute 23 with slide block.
Further, described installation portion 1 offers along the axially extended two incisions 8 in installation portion 1, this two incisions 8 between described fracture 3 and the first otch 7, intercept further first tighten portion 4 be out of shape the Stress transmit that produces to fork-shaped portion 2, reduce the 2nd and tighten the deformation extent in portion 5, reduce the 2nd and tighten the area in the territory, area of stress concentration 6 on the stress that portion 5 is out of shape and produce and the root 25 reducing by the 2nd tooth fork 22. In addition, described fork-shaped portion 2 is positioned at the left end place in installation portion 1, and now, the left end of described first otch 7 and two incisions 8 extends to the left end place in installation portion 1 all to the left; Or, described fork-shaped portion 2 is positioned at the right-hand member place in installation portion 1, and now, the right-hand member of described first otch 7 and two incisions 8 extends to the right-hand member place in installation portion 1 all to the right. Preferably, described first otch 7 and two incisions 8 in installation portion 1 length axially be all greater than fork-shaped portion 2 in installation portion 1 width axially.
In addition, the root 25 in described fork-shaped portion 2 has also offered lubricating oil outlet 24, the two ends of this lubricating oil outlet 24 are connected with chute 23 with open holes 11 respectively, the feed spool inside being located in open holes 11 is provided with grease channel, this grease channel is connected with lubricating oil outlet 24 by open holes 11, therefore the lubricating oil outlet 24 of the lubricating oil of the grease channel inside of feed spool on the root 25 in fork-shaped portion 2 flows into the slide block place matched with chute 23, plays the effect of lubrication.
Preferably, as shown in Figure 5, described first tightens to offer in portion 4 and is connected with through hole 41 and aperture is greater than the heavy hole 42 of through hole 41, and described heavy hole 42 is for accommodating screw head, so that structural optimization.
In sum, the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is the principle of illustrative the present invention and effect thereof only, but not for limiting the present invention. Above-described embodiment all under the spirit not running counter to the present invention and category, can be modified or change by any person skilled in the art scholar. Therefore, in art, tool usually intellectual, not departing under disclosed spirit and technological thought all the equivalence modifications completed or change, must be contained by the claim of the present invention such as.
Claims (7)
1. tooth fork is lifted in the feeding of a sewing machine, comprise the installation portion (1) being provided with open holes (11), the fork-shaped portion (2) being connected with the periphery of installation portion (1) and fixing portion (9), and axially run through the fracture (3) of installation portion (1) and fixing portion (9), fixing portion (9) are divided into two to tighten portion by described fracture (3), tighten portion has all offered for two and tighten hole, it is characterized in that: offered in the junction of described installation portion (1) and fork-shaped portion (2) and axially extended along installation portion (1), and first otch (7) of axial through fork-shaped portion (2), described first otch (7) will tighten portion and fork-shaped portion (2) disconnect.
2. feeding according to claim 1 lift tooth fork, it is characterised in that: include installation portion (1), the feeding of fork-shaped portion (2) and fixing portion (9) lift tooth pitch be integrated part.
3. tooth fork is lifted in feeding according to claim 1 and 2, it is characterized in that: having offered along installation portion (1) axially extended two incisions (8) on described installation portion (1), this two incisions (8) is positioned between described fracture (3) and the first otch (7).
4. tooth fork is lifted in feeding according to claim 3, it is characterized in that: described fork-shaped portion (2) is positioned at the end of installation portion (1), described first otch (7) all extends to the upper an end portion being connected with fork-shaped portion (2) in installation portion (1) with the one end of two incisions (8).
5. tooth fork is lifted in feeding according to claim 4, it is characterised in that: described first otch (7) and two incisions (8) are all greater than fork-shaped portion (2) at installation portion (1) width axially in installation portion (1) length axially.
6. tooth fork is lifted in feeding according to claim 1, it is characterized in that: the chute (23) that described fork-shaped portion (2) comprises the first tooth fork (21), the 2nd tooth fork (22), root (25) and formed by the first tooth fork (21), the 2nd tooth fork (22) and root (25), also having offered lubricating oil outlet (24) on described root (25), the two ends of this lubricating oil outlet (24) are connected with chute (23) with open holes (11) respectively.
7. tooth fork is lifted in feeding according to claim 1, it is characterized in that: two screwed portions are not first tighten portion (4) and the 2nd and tighten portion (5), first tightens and tightens Kong Weiyi through hole (41) in portion (4), 2nd tightens and tightens Kong Weiyi threaded hole (51) in portion (5), described through hole (41) and threaded hole (51) are coaxially set, for passing for screw, described first tightens to have offered in portion (4) and is connected with through hole (41), and aperture is greater than the heavy hole (42) of through hole (41), described heavy hole (42) is for accommodating screw head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210623.0A CN105624933B (en) | 2016-04-05 | 2016-04-05 | A kind of feeding feed lifting fork of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210623.0A CN105624933B (en) | 2016-04-05 | 2016-04-05 | A kind of feeding feed lifting fork of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105624933A true CN105624933A (en) | 2016-06-01 |
| CN105624933B CN105624933B (en) | 2019-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610210623.0A Active CN105624933B (en) | 2016-04-05 | 2016-04-05 | A kind of feeding feed lifting fork of sewing machine |
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| Country | Link |
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| CN (1) | CN105624933B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837439A (en) * | 2006-04-24 | 2006-09-27 | 飞跃股份有限公司 | Anti-crease arrangement for flat seamer |
| CN202450254U (en) * | 2011-11-11 | 2012-09-26 | 台州市中健衣车有限公司 | Feed lifting forked connection of sewing machine |
| CN204058891U (en) * | 2014-09-30 | 2014-12-31 | 浙江万维机械有限公司 | A kind of feed dog of Sewing machines rises and falls adjustable apparatus |
| CN204692037U (en) * | 2015-06-06 | 2015-10-07 | 温岭市箬森机械有限公司 | A kind of air compressor connecting rod |
| CN205529376U (en) * | 2016-04-05 | 2016-08-31 | 杰克缝纫机股份有限公司 | Feed lifting forked connection of sewing machine |
-
2016
- 2016-04-05 CN CN201610210623.0A patent/CN105624933B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837439A (en) * | 2006-04-24 | 2006-09-27 | 飞跃股份有限公司 | Anti-crease arrangement for flat seamer |
| CN202450254U (en) * | 2011-11-11 | 2012-09-26 | 台州市中健衣车有限公司 | Feed lifting forked connection of sewing machine |
| CN204058891U (en) * | 2014-09-30 | 2014-12-31 | 浙江万维机械有限公司 | A kind of feed dog of Sewing machines rises and falls adjustable apparatus |
| CN204692037U (en) * | 2015-06-06 | 2015-10-07 | 温岭市箬森机械有限公司 | A kind of air compressor connecting rod |
| CN205529376U (en) * | 2016-04-05 | 2016-08-31 | 杰克缝纫机股份有限公司 | Feed lifting forked connection of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105624933B (en) | 2019-03-12 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |