CN104278437A - Horizontal rotating shuttle of sewing machine - Google Patents
Horizontal rotating shuttle of sewing machine Download PDFInfo
- Publication number
- CN104278437A CN104278437A CN201310276154.9A CN201310276154A CN104278437A CN 104278437 A CN104278437 A CN 104278437A CN 201310276154 A CN201310276154 A CN 201310276154A CN 104278437 A CN104278437 A CN 104278437A
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- China
- Prior art keywords
- shuttle
- mentioned
- latch
- peg
- axle
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/08—Loop takers, e.g. loopers for lock-stitch sewing machines
- D05B57/10—Shuttles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to a horizontal rotating shuttle of a sewing machine. The horizontal rotating shuttle is provided with an outer shuttle body, an inner shuttle body with a shuttle shaft is arranged in the outer shuttle body, the inner shuttle body can rotate around the axis relative to the outer shuttle body, the shuttle shaft is sequentially provided with an elastic piece and a shuttle core base in a sleeved mode, and the elastic piece between the inner shuttle body and the shuttle core base pushes the shuttle core base to move in the axis direction. A shuttle body is arranged on the outside of the shuttle core base, the top end of the shuttle shaft is pivoted with a shuttle shaft latch so that the shuttle shaft latch can be pivoted at a locking position or an unlocking position, when the shuttle shaft latch is at the locking position, the two ends of the shuttle body are clamped by the shuttle shaft latch and the shuttle core base, a limiting portion is arranged on the side face of the shuttle shaft latch in a convex mode, and when the shuttle shaft latch is at the unlocking position, the shuttle core base bounces upwards and is clamped and positioned through the limiting portion. Accordingly, a user can quickly and conveniently replace the inner shuttle body by pulling and pressing a latch locking device of the rotating shuttle, internal mechanisms of the rotating shuttle do not need to be precisely machined in size, the number of components is reduced on the whole and manufacturing cost can be reduced.
Description
Technical field
The present invention for the horizontal rotating shuttle of sewing operation, refers to a kind ofly have passive type and bounce up mechanism and fast and easy can change the horizontally rotating shuttle of sewing machine of shuttle about a kind of especially.
Background technology
Refer to shown in Fig. 1, conventional sewing machine rotating shuttle mainly comprises shuttle 10, volute spring 11, shuttle 12 and a latch piece 13 in an outer shuttle (scheming non-formula), wherein, interior shuttle 10 inside has a shuttle axle 101, and around shuttle axle 101, be provided with a volute spring from bottom to top gradually opened 11, directly be resisted against above-mentioned shuttle 12 bottom by volute spring 11 and directly form an ejection component, when latch piece 13 changes vertical released state into by the locking condition of level, shuttle 12 upwards will be bounced up by interior shuttle 10 inside; This volute spring 11 object is set for providing frictional resistance, prevent shuttle 12 from dallying, and person easy to use takes out shuttle 12.
But the disappearance of this kind of rotating shuttle is that the component preventing shuttle 12 from dallying only adopts volute spring 11 separately, and it provides the frictional force less stable of shuttle 12, and volute spring 11 is be clamped between shuttle 12 and interior shuttle 10, there is no the limiting structure that other are any.Therefore, after shuttle 12 takes off, volute spring 11 will without other any spacing means, and it often causes volute spring 11 easily to lose in disassembling in process, the weak point in use is still had due to traditional rotating shuttle, therefore a kind of rotating shuttle design avoiding component to lose of another appearance on the market.
Refer to shown in Fig. 2, the rotating shuttle that this kind can avoid component to lose mainly comprises shuttle 20, volute spring 21, peg or spindle seat 22, on-slip shell fragment 23, shuttle 24 and a latch piece 25 in an outer shuttle (scheming non-formula), wherein, interior shuttle 20 inside has a shuttle axle 201, and around shuttle axle 201, be provided with a volute spring from bottom to top gradually opened 21, and be resisted against bottom peg or spindle seat 22 by volute spring 21, and sequentially sheathed on-slip shell fragment 23 and shuttle 24 above peg or spindle seat 22, and be resisted against bottom shuttle 24 by on-slip shell fragment 23, prevent shuttle 24 because of inertia idle running.
This kind of rotating shuttle mainly reaches through the fixed screw 26 around peg or spindle seat 22 and interior shuttle 20 and fastens spacing means, uses and prevents peg or spindle seat 22 and volute spring 21 to be separated by interior shuttle 20.But, the gap of shuttle 24 external diameter of general rotating shuttle and the internal diameter of interior shuttle 20 very little (namely gap very little) between the two, the flange outside diameter of peg or spindle seat 22 and the protrusion length of fixed screw 26 must between above-mentioned gaps again, beginning can allow peg or spindle seat 22 reach can to fasten fixed screw 26 spacing, and shuttle 24 still can smoothly by upwards bouncing up in interior shuttle 20, do not interfere by fixed screw 26, therefore one-piece parts matching relationship must be processed comparatively accurate.In addition, an on-slip shell fragment 23 is set up in this kind of rotating shuttle inside, provides stable frictional resistance, but cause the increase of rotating shuttle the number of components though have, and increases the cost of manufacture of whole horizontal rotary hook on foot.
Summary of the invention
Main purpose of the present invention, aim to provide and a kind of there is the Sewing machines horizontal rotating shuttle that passive type bounces up mechanism, allowing user through pulling pressure locking devicen, the shuttle of rotating shuttle inside can be changed quickly and easily, the practicality significantly increasing rotating shuttle and the convenience used.
Secondary objective of the present invention is that the number of components that horizontal rotary hook inside bounces up mechanism reduces, and suppress mechanism need not Precision Machining, can reach and fasten spacing effect, significantly reduce the cost of manufacture of rotating shuttle.
For reaching described object, horizontally rotating shuttle of sewing machine of the present invention mainly comprises: comprise shuttle in an outer shuttle, a peg or spindle seat, an elastic component, shuttle axle door bolt and a shuttle, wherein, it is inner that above-mentioned interior shuttle is installed in above-mentioned outer shuttle, and rotate relative to above-mentioned outer shuttle with an axis, and be provided with one coaxially in the shuttle axle of above-mentioned axis; Above-mentioned peg or spindle cover for seat is located on above-mentioned shuttle axle, has the ring protuberance that a cannula portion and is positioned at above-mentioned cannula portion bottom; Above-mentioned elastic component is situated between and is located between above-mentioned interior shuttle and above-mentioned peg or spindle seat, in order to push against above-mentioned peg or spindle seat at above-mentioned axis direction toward top offset; Above-mentioned shuttle axle door bolt is then hubbed at above-mentioned shuttle axle, has one and is positioned the hub switch side of above-mentioned shuttle axle and the free end of an alternative swing displacement with latch pivot joint, and at least one side projection one limiting section; Above-mentioned shuttle is sheathed on above-mentioned peg or spindle seat again.
Shuttle axle of the present invention fastens the unlocked position of locking position or the one and above-mentioned axis being parallel being optionally switched to one and above-mentioned axes normal with a bolt or latch; When above-mentioned shuttle axle door bolt is positioned at locking position, above-mentioned shuttle two ends are subject to above-mentioned shuttle axle door bolt respectively and jointly clamp with above-mentioned peg or spindle seat, and wherein, above-mentioned shuttle bottom is resisted against above-mentioned ring protuberance, and above-mentioned shuttle top protrudes from above-mentioned sleeve pipe end face, fasten with a bolt or latch for above-mentioned shuttle axle and support when locking position.In addition, when above-mentioned shuttle axle door bolt is positioned at unlocked position, above-mentioned peg or spindle seat is subject to above-mentioned elastic component effect and upwards bounces up, and the limiting section being limited to above-mentioned shuttle axle door bolt fastens location.
In a preferred embodiment, above-mentioned ring protuberance bottom is provided with a ring-type grooving further, and above-mentioned elastic component is set to the volute spring of a from bottom to top convergent, and is assembled in above-mentioned ring-type grooving by the seat ring at above-mentioned volute spring top and fixes location.
In addition, cannula portion of the present invention is respectively equipped with in two relative side the removal hole that an installing hole and an aperture be less than above-mentioned latch, above-mentioned installing hole penetrates for above-mentioned latch, and above-mentioned removal hole penetrates for an instrument and supports above-mentioned latch, and above-mentioned latch is outwards passed by above-mentioned installing hole.Moreover the dorsal edge of above-mentioned shuttle axle door bolt is provided with a recess further, and person easy to use pulls shuttle axle door bolt.
The invention has the advantages that horizontal rotary hook be optionally switched to a locking position by shuttle be subject to shuttle axle door bolt with peg or spindle seat jointly spacing, or a unlocked position bounce up peg or spindle seat by elastic component after with shuttle axle door bolt limiting section fasten location; This kind of unitary elasticity component Design not only simplifies the global design of rotating shuttle, and coordinate fastening of shuttle axle door bolt through peg or spindle seat, rotating shuttle integrated member can be allowed Precision Machining also need not can to reach the effect that restriction peg or spindle seat bounces up height, significantly reduce the manufacturing cost of horizontal rotary hook, also can, when changing shuttle, horizontal rotary hook internals be avoided to lose.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of known horizontally rotating shuttle of sewing machine;
Fig. 2 is the sectional drawing of another horizontally rotating shuttle of sewing machine known;
Fig. 3 is the exploded view of horizontal rotary hook of the present invention;
Fig. 4 be horizontal rotary hook of the present invention in locking condition cross-section cutaway view;
Fig. 5 is the section amplification figure of Fig. 4 horizontal rotary hook;
Fig. 6 is that horizontal rotary hook of the present invention bounces up the sectional schematic diagram of shuttle in released state;
Fig. 7 is the sectional schematic diagram of horizontal rotary hook of the present invention in time assembling latch;
Fig. 8 is the sectional schematic diagram of horizontal rotary hook of the present invention in time dismantling latch.
[primary clustering symbol description]
Shuttle in 10---
101---shuttle axle
11---volute spring
12---shuttle
13---latch piece
Shuttle in 20---
201---shuttle axle
21---volute spring
22---peg or spindle seat
23---on-slip shell fragment
24---shuttle
25---latch piece
26---fixed screw
30---horizontal rotary hook
The outer shuttle of 31---
311---shuttle body
312---spatial accommodation
313---concave tracks
Shuttle in 32---
321---ring-type cup
322---shuttle axle
323---annular groove
324---draw-in groove
325---pin-and-hole
326---spring
327---support member
328---convex track
33---peg or spindle seat
331---cannula portion
332---ring protuberance
333---ring-type grooving
334---clearance space
335---installing hole
336---removal hole
34---elastic component
341---volute spring
342---first seat ring
343---second seat ring
35---shuttle axle is fastened with a bolt or latch
350---hub switch side
351---free end
352---limiting section
353---pivoted hole
354---latch
355---crossed beam trunking
356---recess
357---first contact surface
358---second contact surface
36---shuttle
361---cylinder
362---upper flange
363---lower flange
364---stores up wire casing
40---axis
50---instrument.
detailed description of the invention
For ease of the understanding that further has darker one deck clearly full and accurate to structure of the present invention, use and feature thereof and understanding, now enumerate preferred embodiment, coordinate accompanying drawing to be described in detail as follows:
Refer to shown in Fig. 3, horizontal rotary hook 30 of the present invention rotates around an axis 40, mainly be made up of shuttle 32, peg or spindle seat 33, elastic component 34, shuttle axle door bolt 35 and a shuttle 36 in an outer shuttle 31, above-mentioned outer shuttle 31 has a shuttle body 311, above-mentioned shuttle body 311 inside defines one in order to accommodate the spatial accommodation 312 of above-mentioned interior shuttle 32, and above-mentioned shuttle body 311 bottom surface is inserted fixing for the driving shaft (not shown) of Sewing machines.
Above-mentioned interior shuttle 32 is rotatably installed in the spatial accommodation 312 of above-mentioned outer shuttle 31, be provided with a ring-type cup 321, and above-mentioned ring-type cup 321 central authorities have the hollow shuttle axle 322 of one and above-mentioned axis 40 concentric, above-mentioned ring-type cup 321 inside is made to form an annular groove 323, an above-mentioned shuttle axle 322 top recessed draw-in groove 324 downwards again, and above-mentioned draw-in groove 324 both sides are respectively equipped with the pin-and-hole 325 of a through above-mentioned shuttle axle 322, and above-mentioned shuttle axle 322 inside is provided with the support member 327 that a spring 326 and is positioned at above-mentioned spring 326 top.
In addition, contact surface between above-mentioned outer shuttle 31 and Nei Suo 32 has the track cooperatively interacted, above-mentioned outer shuttle 31 is provided with a concave tracks 313 in inwall, and above-mentioned interior shuttle 32 is provided with a convex track 328 around outer wall, makes above-mentioned outer shuttle 31 can make sliding-type rotary by relatively above-mentioned interior shuttle 32.
Above-mentioned peg or spindle seat 33 is sheathed on above-mentioned shuttle axle 322, there is a cannula portion 331 and adjacent with above-mentioned shuttle axle 322 and be positioned at the outward extending ring protuberance 332 in above-mentioned cannula portion 331 bottom, and the bottom lower edge of above-mentioned ring protuberance 332 is provided with a ring-type grooving 333, between the wall of above-mentioned ring protuberance 332 and above-mentioned ring-type cup 321 again, form a clearance space 334; In addition, above-mentioned cannula portion 331 is respectively equipped with installing hole 335 and a removal hole 336 in two relative side.
Refer to shown in Fig. 4, above-mentioned elastic component 34 is sheathed on above-mentioned shuttle axle 322 equally, and Jie is located between above-mentioned interior shuttle 32 and above-mentioned peg or spindle seat 33, carries out vertical displacement in order to push against above-mentioned peg or spindle seat 33 on above-mentioned axis 40 direction.
In diagram one preferred embodiment, above-mentioned elastic component 34 is set to the volute spring 341 of a from bottom to top convergent, and the bottom surface of above-mentioned ring-type cup 321 is supported by the first seat ring 342 larger bottom above-mentioned volute spring 341, separately assembled by the second seat ring 343 that above-mentioned volute spring 341 top is less and be fastened in above-mentioned ring-type grooving 333.Wherein, when above-mentioned volute spring 341 pressurized, shape is become a flat state by above-mentioned volute spring 341, and above-mentioned peg or spindle seat 33 so can be allowed to drop to inner bottom surface close to above-mentioned ring-type cup 321.
Above-mentioned shuttle axle door bolt 35 has hub switch side 350 and the alternative free end 351 swinging displacement that is assembled in above-mentioned shuttle axle 322 top, and at least one side between above-mentioned hub switch side 350 and free end 351 arranges a limiting section 352, above-mentioned hub switch side 350 has a pivoted hole 353, and penetrate above-mentioned two pin-and-holes 325 and pivoted hole 353 by a latch 354, make above-mentioned shuttle axle fasten with a bolt or latch 35 with shuttle axle 322 mutually pivot joints, and above-mentioned free end 351 has the recess 356 (referring to Fig. 6) that the crossed beam trunking 355 of a formation hook arrangement and a person easy to use pull.
Refer to shown in Fig. 5, above-mentioned hub switch side 350 is set to be had one and presents the second vertical contact surface 358 with the first contact surface 357 and that above-mentioned support member 327 contacts haply with above-mentioned first contact surface 357, as shown in the figure, when above-mentioned first contact surface 357 contacts with above-mentioned support member 327, above-mentioned shuttle axle door bolt 35 will form a locking condition with above-mentioned axis 40 is mutually vertical.
Refer to shown in Fig. 6, when above-mentioned second contact surface 358 contacts with above-mentioned support member 327, above-mentioned shuttle axle door bolt 35 will to be parallel to each other formation one released state with above-mentioned axis 40, so can allow shuttle axle fasten with a bolt or latch 35 between a locking position and a unlocked position switching position.
Above-mentioned shuttle 36 has the cylinder 361 that is sheathed on above-mentioned cannula portion 331, and extend horizontally away upper flange 362 and a lower flange 363 respectively by the upper/lower terminal of above-mentioned cylinder 361, uses the storage wire casing 364 allowing above-mentioned shuttle 36 form an accommodation suture.
In addition, because the size of general shuttle of sewing machine 36 all has common-use size, and shuttle 36 of the present invention is mainly installed on above-mentioned shuttle axle 322 through above-mentioned peg or spindle seat 33, therefore interior shuttle 10 shuttle axle 101 external diameter of known rotating shuttle is equal to the cannula portion 331 external diameter size of peg or spindle seat 33 of the present invention, the external diameter of shuttle axle 322 of the present invention is then less than known shuttle axle 101 external diameter.
Feature of the present invention is that above-mentioned peg or spindle seat 33 and shuttle axle fastens 35 and will jointly be formed the clamping means preventing above-mentioned shuttle 36 from dallying, and in addition, above-mentioned elastic component 34 and shuttle axle are fastened 35 with a bolt or latch and to be bounced up by above-mentioned peg or spindle seat 33 spacing fasten means by jointly forming one.
Wherein, so-called clamping means refer to when above-mentioned shuttle axle door bolt 35 is optionally switched to the locking position vertical with above-mentioned axis 40, the upper flange 362 of above-mentioned shuttle 36 and lower flange 363 by be subject to respectively above-mentioned shuttle axle fasten 35 and above-mentioned peg or spindle seat 33 jointly clamp spacing; Shown in please refer to the drawing 5, in diagram one preferred embodiment, above-mentioned shuttle 36 lower flange 363 is resisted against above-mentioned ring protuberance 332 end face, and above-mentioned shuttle 36 top protrudes from above-mentioned cannula portion 331 end face, support when locking position for above-mentioned shuttle axle door bolt 35, use and prevent above-mentioned shuttle 36 from dallying.
And what is called fastens means and refers to when above-mentioned shuttle axle door bolt 35 is optionally switched to the unlocked position parallel with above-mentioned axis 40, above-mentioned peg or spindle seat 33 will be subject to after above-mentioned elastic component 34 acts on and upwards bounce up a setting height, its end face is limited to the limiting section 352 that above-mentioned shuttle axle fastens 35 two sides with a bolt or latch and fastens location, prevent above-mentioned peg or spindle seat 33, elastic component 34 departs from above-mentioned interior shuttle 32, avoid horizontal rotary hook 30 internals to lose.
Refer to shown in Fig. 7, horizontal rotary hook 30 of the present invention is in time assembling, the pushing and pressing that must be subject to above-mentioned elastic component 34 and shuttle axle door bolt 35 due to above-mentioned peg or spindle seat 33 are spacing, therefore, the present invention is in time installing above-mentioned latch 354, mainly through installing hole 335 height of the above-mentioned peg or spindle seat 33 of adjustment, above-mentioned installing hole 335 is alignd above-mentioned two pin-and-holes 325 and pivoted holes 353, again above-mentioned latch 354 is penetrated above-mentioned installing hole 335, above-mentioned latch 354 is fixedly hubbed between above-mentioned two pin-and-holes 325 and pivoted hole 353.
Refer to shown in Fig. 8, in addition, when for dismounting above-mentioned latch 354, above-mentioned installing hole 335 must highly align above-mentioned two pin-and-holes 325 and pivoted holes 353 by user equally, now must penetrate aperture with an instrument 50 is less than in the removal hole 336 of above-mentioned latch 354, push against above-mentioned latch 354 by above-mentioned instrument 50, make above-mentioned latch 354 extrapolated by above-mentioned installing hole 335.
In sum, the shuttle of horizontal rotary hook of the present invention is mainly subject to shuttle axle and fastens with a bolt or latch with peg or spindle seat jointly spacing, compared to traditional rotating shuttle, effectively instead of the design of on-slip shell fragment; In addition, location is fastened with the limiting section of shuttle axle door bolt after the present invention bounces up peg or spindle seat by elastic component, except the problem that components such as can improving the inner peg or spindle seat of rotating shuttle, elastic component is easily lost, also peg or spindle seat can be made need not to support with fixed screw contact card, when before improving, the unblock of case bounces up state, need precision-fit fixed screw location peg or spindle seat processing problems, significantly reduce the cost of manufacture of horizontal rotary hook.
Above illustrated embodiment is only not in a limitative way with the present invention for convenience of description, not from scope of the present invention, is familiar with various Simple transformed that industry technical staff can do and modification, all must includes in the scope of patent protection of the present invention.
Claims (7)
1. a horizontally rotating shuttle of sewing machine, is characterized in that: comprise:
One outer shuttle;
Shuttle in one, is installed in described outer shuttle inside and rotates relative to described outer shuttle with an axis, being provided with a shuttle axle;
One peg or spindle seat, is sheathed on described shuttle axle;
One elastic component, is situated between and is located between described interior shuttle and described peg or spindle seat, in order to push against described peg or spindle seat at described axis direction toward top offset;
One shuttle axle door bolt, is hubbed at described shuttle axle, and at least one side projection one limiting section; And
One shuttle, is sheathed on described peg or spindle seat;
Wherein, described shuttle axle fastens the unlocked position of locking position or the one and described axis being parallel being optionally switched to one and described axes normal with a bolt or latch, when described shuttle axle door bolt is positioned at locking position, described shuttle two ends are subject to described shuttle axle door bolt respectively and jointly clamp with described peg or spindle seat; When described shuttle axle door bolt is positioned at unlocked position, described peg or spindle seat is subject to described elastic component effect and upwards bounces up, and the limiting section being limited to described shuttle axle door bolt fastens location.
2. horizontally rotating shuttle of sewing machine according to claim 1, is characterized in that: described peg or spindle seat has the ring protuberance that a cannula portion and is positioned at described cannula portion bottom.
3. horizontally rotating shuttle of sewing machine according to claim 2, is characterized in that: described shuttle bottom is resisted against described ring protuberance, and described shuttle top protrudes from described sleeve pipe end face, fastens with a bolt or latch support when locking position for described shuttle axle.
4. horizontally rotating shuttle of sewing machine according to claim 2, is characterized in that: described ring protuberance bottom is provided with a ring-type grooving further, is installed solid for described elastic component top group.
5. horizontally rotating shuttle of sewing machine according to claim 2, it is characterized in that: described cannula portion is respectively equipped with an installing hole and a removal hole in two relative side, described installing hole penetrates for a latch, and the aperture of described removal hole is less than described latch, penetrate for an instrument and support described latch, described latch is outwards passed by described installing hole.
6. horizontally rotating shuttle of sewing machine according to claim 1, is characterized in that: described elastic component is set to the volute spring of a from bottom to top convergent.
7. horizontally rotating shuttle of sewing machine according to claim 1, is characterized in that: described shuttle axle door bolt is provided with the recess that a person easy to use pulls further.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276154.9A CN104278437A (en) | 2013-07-03 | 2013-07-03 | Horizontal rotating shuttle of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276154.9A CN104278437A (en) | 2013-07-03 | 2013-07-03 | Horizontal rotating shuttle of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104278437A true CN104278437A (en) | 2015-01-14 |
Family
ID=52253756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310276154.9A Pending CN104278437A (en) | 2013-07-03 | 2013-07-03 | Horizontal rotating shuttle of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104278437A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379100A (en) * | 2020-04-11 | 2020-07-07 | 诸暨轻工时代机器人科技有限公司 | Multi-station automatic bobbin case changing, line removing and winding assembly integrated system and process method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009670A (en) * | 1975-11-24 | 1977-03-01 | Beatty Thomas Mitchell | Rotary hook sewing machine |
| EP1541736A2 (en) * | 2003-12-10 | 2005-06-15 | Fritz Gegauf Ag Bernina-Nähmaschinenfabrik | Locking device for lower thread bobbin |
| CN101538784A (en) * | 2008-03-19 | 2009-09-23 | 杜尔克普-阿德勒股份公司 | Gripper for a double lock-stitch sewing machine |
| KR20100103355A (en) * | 2009-03-12 | 2010-09-27 | 치 시앙 인더스트리얼 컴퍼니 리미티드 | Automatic yarn-cutting device for sewing machine |
-
2013
- 2013-07-03 CN CN201310276154.9A patent/CN104278437A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009670A (en) * | 1975-11-24 | 1977-03-01 | Beatty Thomas Mitchell | Rotary hook sewing machine |
| EP1541736A2 (en) * | 2003-12-10 | 2005-06-15 | Fritz Gegauf Ag Bernina-Nähmaschinenfabrik | Locking device for lower thread bobbin |
| CN101538784A (en) * | 2008-03-19 | 2009-09-23 | 杜尔克普-阿德勒股份公司 | Gripper for a double lock-stitch sewing machine |
| KR20100103355A (en) * | 2009-03-12 | 2010-09-27 | 치 시앙 인더스트리얼 컴퍼니 리미티드 | Automatic yarn-cutting device for sewing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379100A (en) * | 2020-04-11 | 2020-07-07 | 诸暨轻工时代机器人科技有限公司 | Multi-station automatic bobbin case changing, line removing and winding assembly integrated system and process method |
| CN111379100B (en) * | 2020-04-11 | 2023-08-29 | 诸暨轻工时代机器人科技有限公司 | Multi-station automatic bobbin-changing shell wire-removing and wire-winding assembly integrated system and process method |
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Application publication date: 20150114 |