CN101575775A - Pendulum looper drawing-out device - Google Patents
Pendulum looper drawing-out device Download PDFInfo
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- CN101575775A CN101575775A CN 200910140572 CN200910140572A CN101575775A CN 101575775 A CN101575775 A CN 101575775A CN 200910140572 CN200910140572 CN 200910140572 CN 200910140572 A CN200910140572 A CN 200910140572A CN 101575775 A CN101575775 A CN 101575775A
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- looper
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- 238000009958 sewing Methods 0.000 claims abstract description 62
- 241000237970 Conus <genus> Species 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000007799 cork Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010417 needlework Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The inventive pendulum looper drawing-out device. When the looper lines are penetrated in the looper, the pendulum looper can be pulled out by light operating physical force even by females to improve the thread operation efficiency. Its structure is that a lever type pullout operating handle (22) wobbling by taking the pivot (25) as the center is provided on the external part of the sewing machine seat (5), so that one end of the application point of the pullout operating handle (22) is snap-in with the head section (20A) of the pendulum looper pullout pole (20), a hand knob operation part (26) is provided on the other end of the application point, the pendulum looper pullout pole (20) is pulled out by making the pullout operating handle (22) swinging around the pivot spindle (25), so that the stop pin (14) moves to the unlocked position.
Description
Technical field
The present invention relates to the upright pendulum looper device pulling off device of Sewing machines, in more detail, should uprightly put looper device pulling off device, mainly be for can be in the upright pendulum looper device that dual-ring seam sewing machine etc. possesses, easily carry out before making operation or when cutting off looper device line, implementing to the looper device threading operation of founding pendulum looper device, and make upright pendulum looper device swing to the pull-out location that breaks away from from the hunting range of the regulation that is used to make action around upright pendulum looper device driving shaft, make it keep inclination attitude.
Background technology
As the upright pendulum looper device pulling off device of this Sewing machines, for example on the books in patent documentation 1.The upright pendulum looper device pulling off device of the Sewing machines in the document comprises locking mechanism and looper device exhaustion mechanism, this locking mechanism has when the operation of common Sewing machines in order to make upright pendulum looper device carry out reciprocally swinging in the hunting range of regulation, the stop pin and the locking spring members that keep with respect to its wobble drive mechanism opposition pendulum looper device; This looper device exhaustion mechanism comprises that the looper device that upright pendulum looper device is pulled out to the pull-out location that breaks away from pulls out bar in the hunting range of afore mentioned rules.And, when Sewing machines is out of service, pull out bar by the looper device that engages with the stop pin of above-mentioned locking mechanism, opposing is to the elastic force-applying of locking with the latched position direction of spring members, pull out the stop pin of the above-mentioned locking mechanism of operation, the lock-out state that releasing is implemented by above-mentioned locking mechanism swings to from the inclination attitude of the pull-out location that the hunting range of the regulation that is used to make action breaks away from around upright pendulum looper device driving shaft to keep making upright pendulum looper device.Like this, just can will have the broad space of the front side (from operating personnel be viewed as in front side) of the leading section layback of the looper device through wires hole that founds pendulum looper device, thereby carry out the threading operation more easily and expeditiously to the needle plate bottom.
No. 2688293 specification of patent documentation 1 United States Patent (USP)
Yet, but there is following problem in the upright pendulum looper device pulling off device of above-mentioned this existing sewing machine: though can be easy to and carry out the threading operation expeditiously by pulling out upright pendulum looper device, but pull out the bar opposing locking elastic force-applying of spring members towards the latched position direction by the looper device that engages with the stop pin of locking mechanism, when pulling out the stop pin of operational lock mechanism, though directly be arranged on the looper device and pull out the handle of an end of bar and come tractive looper device to pull out bar and stop pin is pulled out with pointing to catch, but this moment, because in order to keep the lock-out state of stop pin securely, adopted strong locking spring members, therefore, need the very big operating physical force of pulling out.
Summary of the invention
The present invention designs in order to address the above problem just, its purpose is to provide a kind of upright pendulum looper device pulling off device of Sewing machines, when in upright pendulum looper device, penetrating looper device line,, thereby improve the threading operating efficiency even the women also can pull out upright pendulum looper device with very light operating physical force.
If with reference to the appended mark of Fig. 1～Fig. 8, the words that the upright pendulum looper device pulling off device of Sewing machines of the present invention is described, its structure is, vertical with cloth direction of feed Y, can back and forth drive on the upright pendulum looper device driving shaft 9 that is arranged on rotatably in the sewing support 5, the upright pendulum looper device frame 10 that is combined on the base end part 7A that founds pendulum looper device 7 by one is installed the upright base end part 7A that puts looper device 7, along with the reciprocal driving rotation of the synchronous upright pendulum looper device driving shaft 9 of moving up and down of pin 3, the leading section 7B side that upright pendulum looper device 7 will have looper device through wires hole 11 is made as upper, and the hunting range ground of crossing over the regulation of cloth direction of feed Y in the inside of sewing support 5 back and forth drives swing; And comprise: will found locking mechanism 13 in the hunting range that pendulum looper device 7 positions remain in afore mentioned rules and the looper device exhaustion mechanism 18 that above-mentioned upright pendulum looper device 7 is pulled out to the pull-out location that breaks away from the hunting range of afore mentioned rules; Looper device exhaustion mechanism 18 comprises that the looper device pulls out with spring members 19, and this looper device is pulled out with spring members 19 opposition pendulum looper devices 7 and upright pendulum looper device frame 10 together around uprightly putting looper device driving shaft 9, always swinging the application of force along the direction of pull-out location; Locking mechanism 13 comprises: be fixed on the upright upright pendulum looper device frame retainer 12 of putting on the looper device driving shaft 9 and having lock hole 16; Front end has conus portion 14A, engage with above-mentioned lock hole 16 by this conus portion 14A, opposing looper device is pulled out the elastic force-applying with spring members 19, leap will be found the unlocked position that latched position in the hunting range that pendulum looper device 7 positions remain in afore mentioned rules and above-mentioned conus portion 14A break away from above-mentioned lock hole 16, the stop pin 14 that can move back and forth abreast with upright pendulum looper device driving shaft 9; And the locking maintenance spring members 17 that always stop pin 14 is carried out the mobile application of force along the direction of above-mentioned latched position, looper device exhaustion mechanism 18 comprises that also the opposing locking keeps with the elastic force-applying of spring members 17 stop pin 14 being pulled out bar 20 to the upright pendulum looper device that unlocked position stretches, it is characterized in that, outer setting at sewing support 5 is that the lever that swing at the center is pulled out operating grip 22 with pivot 25, make as this end 22A who pulls out the application point of operating grip 22 and engage with the head 20A that upright pendulum looper device is pulled out bar 20, at the other end 22B the operating portion 26 of handling knob is set as the force, by making the above-mentioned operating grip 22 of pulling out around pivot 25 swings, stretched upright pendulum looper device is pulled out bar 20, and stop pin 14 is moved to unlocked position.
Upright pendulum looper device pulling off device according to said structure, when Sewing machines is out of service, pull out operating grip 22 around pivot 25 swings by catching the operating portion 26 of handling knob to make, can pull out bar 20 by the upright pendulum of tractive looper device, opposing locking keeps the unlock lock-out state of mechanism 13 of the elastic force-applying with spring members 17, be accompanied by this releasing, pull out the swing application of force of using spring members 19 by the looper device of looper device exhaustion mechanism 18, the hunting range that can make upright pendulum looper device 7 break away from regulation is pulled out it to the front side.At this moment, utilize the leverage pull out operating grip 22, can keep pulling out operation and will standing putting looper device 7 and pulling out by the put up a resistance locking of locking mechanism 13 of very light operating physical force with the looper device of the elastic force-applying of spring members 17.Pull-out location in the front side, upright pendulum looper device 7 can be easy in broader space and carry out the operation of looper device threading to the looper device through wires hole 11 of its leading section 7B side expeditiously.
According to the present invention, can pull out operating grip by lever and pull out operation with very light operating physical force opposition pendulum looper device, make it to break away from the hunting range of the regulation that is used to make action and keep inclination attitude.Owing to can use the pull out operating grip of handle than big (it is fully long that the length of handling knob between operating portion and the pivot is likened to an end and the length between the pivot of application point), therefore, even when common making moved, swing in the driving of the hunting range of regulation in order to ensure keeping upright pendulum looper device, used strong locking spring members, the women also can put up a resistance very like a cork its elastic force upright pendulum looper device pull out operation, so can use more smoothly.
Description of drawings
Fig. 1-expression is suitable for the outward appearance perspective view of dual-ring seam sewing machine of the present invention.
The perspective view of the upright pendulum looper device pulling off device of Fig. 2-this Sewing machines of expression.
The front elevation of the upright pendulum looper device pulling off device of Fig. 3-this Sewing machines of expression.
The upright pendulum of Fig. 4-expression looper device remains on the A-A line profile among Fig. 3 under the common state of making operating position.
A-A line profile among Fig. 3 under the state that the upright pendulum of Fig. 5-be illustrated in looper device is drawn out.
The upright pendulum of Fig. 6-expression looper device remains on the B-B line profile among Fig. 3 under the common state of making operating position.
B-B line profile among Fig. 3 under the state that the upright pendulum of Fig. 7-be illustrated in looper device is drawn out.
The decomposition diagram of the formation of the upright pendulum looper device pulling off device in this Sewing machines of Fig. 8-expression.
Description of reference numerals
3. pin
5. sewing support
7. upright pendulum looper device
7A. the base end part of upright pendulum looper device
7B. the leading section of upright pendulum looper device
9. upright pendulum looper device driving shaft
10. upright pendulum looper device frame
11. looper device through wires hole
12. looper device frame retainer
13. locking mechanism
14. stop pin
16. lock hole
17. locking keeps using spring members
18. looper device exhaustion mechanism
19. the looper device is pulled out the spring portion that uses
20. upright pendulum looper device is pulled out bar
20A. upright pendulum looper device is pulled out the head of bar
22. pull out operating grip
22A. pull out an end of operating grip
22B. pull out the other end of operating grip
25. pivot
The operating portion 26. handle knob
Y. cloth direction of feed
The specific embodiment
Referring now to accompanying drawing, the preferred implementation of the upright pendulum looper device pulling off device of Sewing machines of the present invention is described.Fig. 1 is for being suitable for the outward appearance perspective view of dual-ring seam sewing machine of the present invention.Fig. 2 is the perspective view of the upright pendulum looper device pulling off device of this Sewing machines.Fig. 3 is the front elevation of the upright pendulum looper device pulling off device of this Sewing machines of expression.Fig. 4 is illustrated in upright pendulum looper device to remain on A-A line profile among Fig. 3 under the common state of making operating position.Fig. 5 is the A-A line profile among the Fig. 3 that is illustrated under the state that upright pendulum looper device is drawn out.Fig. 6 is illustrated in upright pendulum looper device to remain on B-B line profile among Fig. 3 under the common state of making operating position.Fig. 7 is the B-B line profile among the Fig. 3 that is illustrated under the state that upright pendulum looper device is drawn out.Fig. 8 is the decomposition diagram of the structure of the upright pendulum looper device pulling off device in this Sewing machines of expression.
Be suitable for dual-ring seam sewing machine of the present invention, as shown in Figure 1, by metal (upper (diagram slightly) but be bearing in to reciprocating motion the bottom of the shank (illustrate and omit) on the leading section of sewing machine arm 1 along the vertical direction, by needle stand 2 many pins 3 are installed.Right outer fix in the cardinal extremity bottom of sewing machine arm 1 is provided with Sewing machines belt wheel 4, simultaneously, cardinal extremity bottom at sewing machine arm 1 is provided with sewing support 5 with respect to the side extension left under parastate of this sewing machine arm 1, on the front end upper wall surface of this sewing support 5, needle plate 6 is set, and the parts that the formation of taking in upright pendulum looper device described later or cloth feed mechanism etc. in front end inside is made are (because well-known, its detailed description of Therefore, omited), constitute the Sewing machines framework of dual-ring seam sewing machine by this sewing support 5 and sewing machine arm 1.
As Fig. 2～Fig. 4, shown in Figure 8, inside and outside the leading section of the sewing support 5 in above-mentioned dual-ring seam sewing machine, dispose the pulling off device 8 of upright pendulum looper device 7 and this upright pendulum looper device 7.In detail, be exactly vertical with cloth direction of feed (rear to) Y, can back and forth drive on the upright pendulum looper device driving shaft 9 that is bearing in rotatably in the sewing support 5, by upright pendulum looper device frame 10 installations each base end part 7A corresponding to a plurality of upright pendulum looper device 7 of many pins 3, be accompanied by reciprocal driving rotation with the synchronous upright pendulum looper device driving shaft 9 of pumping of pin 3, the leading section 7B side that upright pendulum looper device 7 will have looper device through wires hole 11 is located at than base end part 7A on the top, in the inside of sewing support 5, cross over the hunting range ground of the regulation of cloth direction of feed Y and do back and forth to drive swing.
As Fig. 2～shown in Figure 4, on upright pendulum looper device driving shaft 9, insert logical upright pendulum looper device frame 10 freely around the axle center rotation of upright pendulum looper device driving shaft 9, simultaneously, insert logical fixedly looper device frame retainer 12 on the right side of upright pendulum looper device frame 10.
As Fig. 2～shown in Figure 4, on upright pendulum looper device driving shaft 9 and upright pendulum looper device frame 10, locking mechanism 13 is set, this locking mechanism 13 is when common Sewing machines operation, in order to make upright pendulum looper device 7 reciprocally swinging in the hunting range of regulation, keep and carry out the position with respect to its wobble drive mechanism opposition pendulum looper device 7.
Locking mechanism 13 comprises that stop pin 14 and locking keep with spring members 17, these stop pin 14 front ends have conus portion 14A, and can slotting abreast leading to of looper device driving shaft 9 forwards give prominence to the left and right sides key seats 15,15 of setting movably and with upright the pendulum along axis direction from founding pendulum looper device frame 10, so that make conus portion 14A engage, break away from the lock hole 16 at the eccentric position that is arranged on looper device frame retainer 12, this locking keeps always to latched position direction (right) stop pin 14 being moved the application of force with spring members 17 slotting leading to also on the stop pin 14 between the key seat 15,15.
In addition, as Fig. 2～shown in Figure 4, looper device exhaustion mechanism 18 is set, this looper device exhaustion mechanism 18 is when Sewing machines is out of service, the opposing locking keeps with the elastic force-applying of spring members 17 to locking direction, the stop pin 14 of tractive operational lock mechanism 13, the state that unlocks will stand the pull-out location that pendulum looper device 7 is pulled out to the front side (being viewed as side in front from operating personnel) in the hunting range that breaks away from regulation whereby.
Looper device exhaustion mechanism 18 will be pulled out with spring members 19 and be arranged between the right-hand member of looper device frame retainer 12 and upright pendulum looper device frame 10 by being turned round looper device that helical spring constitutes.Engage with looper device frame retainer 12 by the arm 19A that makes this looper device pull out an end of using spring members 19 respectively, the arm 19B of the other end is engaged with upright pendulum looper device frame 10, utilize this looper device to pull out the elastic force-applying of using spring members 19, along direction (making its banking motion forwards) opposition pendulum looper device frame 10 rotation urgings of always pulling out.In addition, looper device exhaustion mechanism 18 comprises: in the inside of sewing support 5, pull out bar 20 with the looper device of upright pendulum looper device driving shaft 9 and stop pin 14 configured in parallel respectively; Be combined in the front end that the looper device is pulled out bar 20 with one, the looper device of the two trouble shapes that engage with the head 14B of stop pin 14 is pulled out plate 21.The head 20A that the looper device is pulled out bar 20 gives prominence to foreign side from the front wall 5S of the support 5 of sewing.
The Sewing machines of above-mentioned formation, the elastic force-applying that keeps using spring members 17 by the locking in the locking mechanism 13, the state that the conus portion 14A of the front end of maintenance stop pin 14 engages with the lock hole 16 of the looper device frame retainer 12 of upright pendulum looper device frame 10, like this, upright pendulum looper device 7 just is in by the position and remains on state in the hunting range of the regulation in the sewing support 5, under this state, by the operation Sewing machines, make the hunting range of the regulation that upright pendulum looper device 7 and moving up and down of pin 3 synchronously cross over cloth direction of feed Y do back and forth to drive swing.The dual-ring seam of stipulating by this upright pendulum looper device 7 and spreader 28, described spreader 28, as shown in Figure 6, be installed in pin 3 pump synchronously and the reciprocating spreader axle 29 of left and right directions that the edge is vertical with cloth direction of feed Y on, thereby the looper device line that hooks upright pendulum looper device 7 makes it close to the needlework direction.
When needs pass looper device line in upright pendulum looper device 7, stop the operation of Sewing machines, can be as before, directly catch the looper device to pull out the head 20A of bar 20 to Z direction (with reference to Fig. 4) tractive with finger, make the conus portion 14A of the front end of stop pin 14 break away from the lock hole 16 of looper device frame retainer 12, make stop pin 14 move to unlocked position, at this moment, as shown in Figure 7, utilize the looper device to pull out the elastic force-applying of using spring members 19, make upright pendulum looper device frame 10 to pull-out direction (the place ahead) banking motion, like this, by upright pendulum looper device frame 10, upright pendulum looper device 7 rotates along arrow F direction (with reference to Fig. 7), in the hunting range of regulation, break away from, and upright pendulum looper device leading section 7B is pulled out to the pull-out location of front side in sewing support 5.In this pull-out location, can in broad space, be easy to and stand to the upright through wires hole 11 of putting the leading section 7B of looper device 7 expeditiously the threading operation of pendulum looper device.
Yet, when the above-mentioned looper device of Z direction tractive is pulled out bar 20,, used strong locking to keep with spring members 17 in order firmly to keep the lock-out state of stop pin 14, therefore, need the very big operating physical force of pulling out.
, the invention is characterized in for this reason,, adopted the lever-type operating grip 22 of pulling out, pull out operating grip 22 by this and looper device can be pulled out bar 20 and pull out in order to pull out upright pendulum looper device 7 with very light operating physical force.Promptly, as Fig. 2～shown in Figure 4, pull out near the forward exterior the front wall 5S of the outstanding sewing support 5 of the head 20A of bar 20 at the looper device, fixedly pull out operating grip frame 23 with bolt 24 grades, and this pull out on the operating grip frame 23 be provided with pivot 25 be the center carry out horizontal hunting pull out operating grip 22.And, make as these two end 22A that branch off shapes that pull out the application point of operating grip 22 to engage, and the operating portion 26 of handling knob is set at the other end 22B as the force with the head 20A that upright pendulum looper device is pulled out bar 20.
At this moment, by gripping handle knob operating portion 26 make pull out operating grip 22 around pivot 25 along M direction (with reference to Fig. 5) horizontal hunting, can be via an end 22A who pulls out operating grip 22, will found pendulum looper device with very light operating physical force and pull out bar 20 and pull out.Like this, as shown in Figure 5, the conus portion 14A of the front end of stop pin 14 breaks away from the lock hole 16 of looper device frame retainer 12, as shown in Figure 7, pull out with under the elastic force-applying of spring members 19 at the looper device, upright pendulum looper device frame 10 is banking motion forwards, be accompanied by this banking motion, leading section 7B side with looper device through wires hole 11 of upright pendulum looper device 7 can be pulled out to the front side (be viewed as from operating personnel in face of side) of the bottom of needle plate 6, promptly be pulled out to the pull-out location of the broad space that is easy to carry out the threading operation.
In order to pull out the swinging operation of operating grip 22, for example carry out under the situation of this swinging operation of pulling out operating grip 22 near the front end upper wall surface of the sewing support 5 the needle plate 6, although the problem that obstruction can appear in many pins 3 is set, but because in the above-described embodiments, the swinging operation of pulling out operating grip 22 is that near the forward exterior the front wall 5S of sewing support 5 is carried out, therefore, help eliminating such problem.
In addition, as shown in Figure 7, under the state that upright pendulum looper device 7 is drawn out, be arranged at the interior end of Sewing machines support 5 with the retainer 27 of key seat 15 butts of upright pendulum looper device frame 10.
In case the above-mentioned threading end of job, by press upright pendulum looper device 7 with hand push, the stop pin 14 of locking mechanism 13 is rotated along locking direction around upright pendulum looper device driving shaft 9, thereby the conus portion 14A of front end is engaged with the lock hole 16 of looper device frame retainer 12, and under the effect that locks the elastic force-applying that keeps usefulness spring members 17, keep its fastening state, like this, just can remain on original latched position with founding the hunting range that pendulum looper device 7 is withdrawn into regulation.
In addition, self-evident though above-mentioned embodiment is applicable to dual-ring seam sewing machine, so long as possess the Sewing machines of upright pendulum looper device, all can reach same effect no matter be suitable for which type of Sewing machines.
Claims (1)
1. the upright pendulum looper device pulling off device of a Sewing machines, it constitutes, vertical with the cloth direction of feed, can back and forth drive on the upright pendulum looper device driving shaft that is arranged on rotatably in the sewing support, the upright pendulum looper device frame that is combined on the base end part that founds pendulum looper device by one is installed the upright base end part of putting the looper device, along with the reciprocal driving rotation of the synchronous above-mentioned upright pendulum looper device driving shaft of moving up and down of pin, the leading section side that above-mentioned upright pendulum looper device will have looper device through wires hole is made as upper, and inside at the sewing support, cross over the hunting range ground of the regulation of cloth direction of feed and do back and forth to drive swing
The upright pendulum looper device pulling off device of this Sewing machines comprises: above-mentioned upright pendulum looper device position is remained in the locking mechanism in the hunting range of afore mentioned rules and above-mentioned upright pendulum looper device is pulled out to the looper device exhaustion mechanism of the pull-out location that breaks away from the hunting range of afore mentioned rules
Above-mentioned looper device exhaustion mechanism comprises that the looper device is pulled out and uses spring members, this looper device is pulled out with spring members around above-mentioned upright pendulum looper device driving shaft, always along the direction of above-mentioned pull-out location above-mentioned upright pendulum looper device and above-mentioned upright pendulum looper device frame are swung the application of force together
Above-mentioned locking mechanism comprises: be fixed on the above-mentioned upright pendulum looper device driving shaft and have the upright pendulum looper device frame retainer of lock hole; Stop pin, its front end has conus portion, engage with above-mentioned lock hole by this conus portion, this stop pin is resisted above-mentioned looper device and is pulled out the elastic force-applying of using spring members, cross over the unlocked position that interior latched position of the hunting range that will above-mentioned upright pendulum looper device position remains in afore mentioned rules and above-mentioned conus portion break away from above-mentioned lock hole, can move back and forth abreast with above-mentioned upright pendulum looper device driving shaft; Always the locking that above-mentioned stop pin carries out the mobile application of force is kept using spring members along the direction of above-mentioned latched position,
Above-mentioned looper device exhaustion mechanism also comprises: resists above-mentioned locking and keeps the upright pendulum looper device that above-mentioned stop pin is stretched to unlocked position being pulled out bar, it is characterized in that with the elastic force-applying of spring members,
Outer setting at above-mentioned sewing support is that the lever that swing at the center is pulled out operating grip with the pivot, make as this end of pulling out the application point of operating grip and engage with the end that above-mentioned upright pendulum looper device is pulled out bar, in the other end the operating portion of handling knob is set as the force, by making the above-mentioned operating grip of pulling out around above-mentioned pivot swinging, stretched above-mentioned upright pendulum looper device is pulled out bar, and above-mentioned stop pin is moved to unlocked position.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008122033 | 2008-05-08 | ||
| JP2008122033A JP2009268724A (en) | 2008-05-08 | 2008-05-08 | Vertical swing looper pull-out device of sewing machine |
| JP2008-122033 | 2008-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101575775A true CN101575775A (en) | 2009-11-11 |
| CN101575775B CN101575775B (en) | 2013-02-20 |
Family
ID=41270838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910140572 Expired - Fee Related CN101575775B (en) | 2008-05-08 | 2009-05-08 | Pendulum looper drawing-out device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009268724A (en) |
| CN (1) | CN101575775B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419146A (en) * | 2011-12-14 | 2012-04-18 | 许晓华 | Shaft extension detection device |
| CN103696163A (en) * | 2013-11-30 | 2014-04-02 | 张之鹏 | Looper thread hooking mechanism and sewing machine with looper thread hooking mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2688293A (en) * | 1951-08-03 | 1954-09-07 | Union Special Machine Co | Looper mechanism for sewing machines |
| JPS6137287A (en) * | 1984-07-31 | 1986-02-22 | 株式会社 森本製作所 | Multineedle type sewing machine |
| JP4371928B2 (en) * | 2004-07-05 | 2009-11-25 | ペガサスミシン製造株式会社 | Sewing machine looper drive |
| JP2007296254A (en) * | 2006-05-08 | 2007-11-15 | Morimoto Mfg Co Ltd | Sewing machine |
-
2008
- 2008-05-08 JP JP2008122033A patent/JP2009268724A/en active Pending
-
2009
- 2009-05-08 CN CN 200910140572 patent/CN101575775B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419146A (en) * | 2011-12-14 | 2012-04-18 | 许晓华 | Shaft extension detection device |
| CN103696163A (en) * | 2013-11-30 | 2014-04-02 | 张之鹏 | Looper thread hooking mechanism and sewing machine with looper thread hooking mechanism |
| CN103696163B (en) * | 2013-11-30 | 2015-07-22 | 张之鹏 | Looper thread hooking mechanism and sewing machine with looper thread hooking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009268724A (en) | 2009-11-19 |
| CN101575775B (en) | 2013-02-20 |
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