CN1380458A - Double-lock type stitch sewing machine with rotation-proofing device for bobbin case - Google Patents
Double-lock type stitch sewing machine with rotation-proofing device for bobbin case Download PDFInfo
- Publication number
- CN1380458A CN1380458A CN 02103883 CN02103883A CN1380458A CN 1380458 A CN1380458 A CN 1380458A CN 02103883 CN02103883 CN 02103883 CN 02103883 A CN02103883 A CN 02103883A CN 1380458 A CN1380458 A CN 1380458A
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- Prior art keywords
- rotation
- blade
- pin hole
- shuttle
- bobbin casing
- Prior art date
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- 238000009958 sewing Methods 0.000 title claims abstract description 56
- 238000010008 shearing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/26—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
- D05B57/265—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices for looptakers with vertical axis
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/02—Devices for severing the needle or lower thread controlled by the sewing mechanisms
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
- D05B1/12—Lock-stitch seams
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A double lock stitch sewing machine is provided with a looper (18) held by a holder (58), provided with a bobbin case (21) internally supported rotatably and rotated around a vertical axis (26). The holder (58) is provided with a first rotation safety structure (56) blocking the accompanying rotation of the bobbin case (21) and a second rotation safety structure (57) limiting the return rotation of the bobbin case (21). The first rotation safety structure (56) forms a cantilever arm (45) apart from the cam provided on a floor plate bottom, wherein a abutting surface (46) for bearing the bobbin case (21) thereon is provided.
Description
The present invention relates to a kind of double-lock type stitch sewing machine (Doppelsteppstichnaehmaschine) that has the anti-rotation device that is used for bobbin casing (Spulengehaeuse), it has a panel that is used for sewing product, one in panel or feeding tooth, form be used for pin hole that sewing needle is passed, have one with a bearing block of shuttle that can be rotated to support on its inside at panel, shuttle have one around vertical axis along direction of rotation rotation with a shuttle body that is rotatably installed in the bobbin casing of its inside, the fixture of one fixed-site, it has one and is used for preventing that first anti-rotation device and that bobbin casing is followed rotation along direction of rotation is used for limiting second anti-rotation device that rotatablely move of bobbin casing along the direction opposite with direction of rotation.
Double-lock type stitch sewing machine by known a kind of this type of DE2616738C3.In order fixedly to can be rotated to support on the bobbin casing in the shuttle body (Greiferkoerper) that is rotating, it does to such an extent that be with a banking pin in the pin hole zone, stretches between two boss that are made on the stitch plate bottom surface its band certain interval.This external direction of motion with respect to the shuttle point is provided with a hard-wired spring lever between banking pin is together with affiliated boss, it is pressed on the binding face direction of rotation of the contrary shuttle of bobbin casing.
The shortcoming of this Sewing machines is, be used for the banking pin bobbin casing anti-rotation, between boss and form two narrow positions, it to the silk thread that when forming needle tracking, extends to pin hole from shuttle freely, expedite motion plays detrimental effect, thereby causes undesirable influence that needle tracking is formed.
By the known a kind of double-lock type stitch sewing machine of DE3446547C1 with a shuttle that rotates around vertical axis, the bobbin casing that wherein can be rotated to support in the shuttle body prevents to follow rotation and counter-rotating by two cams, cam is arranged on the bobbin casing coil basically and drags (unloading) and go out in the center of side, and with the stop surface acting in conjunction of bobbin casing, stop surface is made of the tangent side of that be arranged on the shaft shoulder on the bobbin casing and its shell surface.
Even in the pin hole zone, during forming needle tracking, do not exist obstruction on the bottom surface at stitch plate from the cam of shuttle to the silk thread of pin hole extension, and can obtain gratifying result with diameter less than the filament sewing of 0.3mm, but then have difficulties with the cordonnet sewing.Can reduce this difficulty by adopting so-called bobbin case opener (Kapsellufter), at this moment a pin of doing the forced oscillation motion drives the certain corner of bobbin casing counter-rotating.Follow the cam place of rotation and form a gap hindering bobbin casing thus, and make thus simultaneously in the gap at the cam place that hinders counter-rotating and reduce.Since two cams lean on mutually the pin (Finger) of closer bobbin case opener owing to can have no obstacle ground by appearing at the narrow positions on the cam for the very short sewing yarn line segment that can only guarantee conditionally to be fitted on the bobbin casing of time that utilizes.
By the known a kind of twin-lock needle tracking formula Sewing machines of DE3 644 711C2, the bobbin casing that wherein is bearing in the shuttle body of a rotation is done to such an extent that be with a cam at an upper portion thereof, the spring lever of one fixed-site leans against on this cam, though prevent that with this anti-rotation device bobbin casing from following the shuttle body and rotating, do not see the device that restricted bobbin casing reverses.Reach with this anti-rotation device, the silk thread that extends to pin hole from shuttle can freely stretch.
The objective of the invention is, improve known double-lock type stitch sewing machine in this wise, the feasible damage that reduces sewing coil when bobbin casing (Spulenkapsel) twines fully.
Can reach by this twin-lock needle tracking formula Sewing machines according to above-mentioned purpose of the present invention.It has following feature:
One is used for the panel of sewing product,
One in panel or feeding tooth, form be used for pin hole that sewing needle is passed,
Have one with a bearing block of shuttle that can be rotated to support on its inside at panel,
Shuttle have one around vertical axis along direction of rotation rotation with a shuttle body that is rotatably installed in the bobbin casing of its inside,
The fixture of one fixed-site, it has
One is used for preventing that bobbin casing from following first anti-rotation device of rotation along direction of rotation,
With one be used for limiting second anti-rotation device that rotatablely move of bobbin casing along the direction opposite with direction of rotation,
Wherein:
First anti-rotation device is arranged on coil and extracts end on the position away from pin hole,
Second anti-rotation device has a binding face that is arranged near the position of pin hole,
This binding face is being made under the situation of avoiding the cam on the panel bottom surface on the fixing cantilever,
It can be fitted with a projection that is arranged on the bobbin casing,
Between bobbin casing and panel bottom surface, be provided with a cavity, extend to vacantly in this cavity to the silk thread that the pin hole direction stretches from shuttle.
Special construction by the anti-rotation device part reaches when bobbin casing twines the favourable circumstances for the complete accessible motion of cusir winding.Here particularly advantageous is to stop the anti-rotation device part of bobbin casing counter-rotating to be arranged near the pin hole.The sewing yarn line segment that is positioned on the bobbin casing upside at this cusir winding was pulled back in a certain relatively shorter moment, therefore obtained the circumstances that can control well.Secondly wherein advantageously, carry out the damp impacts that makes the contrary shuttle direction of rotation rotation of bobbin casing with smaller speed remaining the pulling back of this moment cusir winding.
Press one aspect of the present invention, cantilever has a lead rib.
By another aspect of the present invention, first and second anti-rotation devices form on a common support.
Almost expedite by bringing more advantageous conditions by another structure of the present invention for add man-hour with thick line, at this moment, bobbin casing is done to such an extent that be with a binding face on its edge, can fit with it in one plane of bobbin case opener, wherein binding face is positioned at diameter two ends with pin hole basically with respect to axis.
In the double-lock type stitch sewing machine of another structure of the present invention, the blade that reels off raw silk from cocoons of silk thread shearing device can move in the cavity, and the blade that wherein reels off raw silk from cocoons has a blade, and the blade of the blade of fixed-site is arranged near the pin hole, wherein blade can engage with blade, to realize the silk thread cutting-off process.Above-mentioned this structure has such advantage, offers from shuttle can additionally be used for a silk thread shearing device to the space of the silk thread not damaged motion of pin hole extension, and can at random design aspect the structure and layout of corresponding cutting off tool here.
By means of accompanying drawing the present invention is done an explanation.Accompanying drawing is represented:
The front view of Fig. 1 Sewing machines,
Fig. 2 presses the vertical view of amplification in Sewing machines one zone of arrow II among Fig. 1,
Fig. 3 is along the enlarged drawing of arrow III direction among Fig. 2, and wherein view is rotated counterclockwise 90 °,
The perspective view of the amplification of Fig. 4 one member,
Fig. 5 has wherein taken away the member of front according to 100 ° the view of turning clockwise approximately of arrow among Fig. 2,
The perspective view of Fig. 6 bobbin casing,
Fig. 7 is along the enlarged drawing of the Rotate 180 of arrow VII direction among Fig. 2 °.
Fig. 8 the present invention is used for the view corresponding to Fig. 2 with the combination of a silk thread shearing device,
The perspective view of Fig. 9 silk thread shearing device one member,
The perspective view of another member of Figure 10 silk thread shearing device,
Figure 11 is along the view of arrow XI direction among Fig. 8,
Sewing machines 1 has a base plate 2, and it curves the arm 4 at right angle with one from its upwardly extending column 3 and one, and arm 4 ends at head 5.A rotatably mounted arm axle 6 in arm 4, it drives a crank driving mechanism 7 that has a thread take-up tension lever 8 in head 5.The shank 9 that crank driving mechanism 7 and is bearing in the head 5 movably is in transmission connection, and shank has a pin 10 in its lower end.Therefore pin 10 can be driven by crank driving mechanism 7, moves up and down on a vertical axis.Pin 10 guides in pinprick from the coil 11 and carries the silk thread of coming by silk thread tensioning apparatus and thread take-up tension lever 8, below it is called sewing thread 12.
One panel that is screwed 13 is arranged on base plate 2, and sewing product 14 is placed on the panel.Panel 13 is done with an opening 15 that is used for feeding tooth 16, and the feeding tooth has one to be used for the pin hole 17 that allows pin 10 pass through.Feeding tooth 16 is in transmission connection with a propelling and an elevating mechanism that is installed under the base plate 2 in known manner.
At panel one shuttle 18 (Greifer) is arranged for 13 times, it has the shuttle body 19 of a band shuttle point 20.A rotatably mounted tubular bobbin casing 21 in shuttle body 19, the silk thread 22 of storage is placed in the bobbin casing.Send a silk thread section here from an outlet 23, claim that below it is a shuttle line 24, the shuttle line comes out to pass pin hole 17 from exporting 23.
Shuttle body 19 is fixedlyed connected with axle 25, and this has one and is parallel to the vertical axis 26 that shank 9 extends.Axle 25 can be rotated to support on one with bearing block 27 that base plate 2 screws are connected in, bearing block internal support one driving shaft 28, it is connected with a gear drive that is installed in bearing block 27 inside.Gear drive has 1: 2 speed ratio, and the shuttle body 19 that therefore is positioned at when driving shaft 28 circles on the axle 20 changeed for two weeks.That these external bearing block 27 inside have is that another and first gear drive are done to be in transmission connection, speed ratio is 2: 1 second gear drive, therefore when driving shaft 28 rotates a circle, is parallel to the axle 29 that axle 21 is provided with and also circles.By Ad1er467 level Sewing machines common on DE2540994A1 and a kind of market together with having known the layout of described gear drive in bearing 27 in the spare parts list under it.
The crank-pin 30 that coordinates in axle 29 the upper end of stretching out from bearing block 27, it rotatably is connected with a buckle chain 31.Be screwed a single-arm lever 33 on a pull bar 32, it has the end 34 with a plane 35.Buckle chain 31 is members of bobbin case opener 36 together with the lever on it 33.Terminal 34 stretch in the groove 37 that processes on the edge 38 of bobbin casing 21, wherein form a binding face 39 on groove 37.Be positioned at top, groove 37 bottoms along axis 26 direction ends 34, the gap of the 0.8mm that has an appointment, and fit with binding face 39 in plane 35.
On bearing block 27, be provided with one protrude upward with a piece 40 that is parallel to the screw joint face 41 that panel 13 distributes, an end 42 usefulness screws 44 of support 43 are fixed on above it adjustably.Support 43 is done to such an extent that be approximately perpendicular to terminal 42 cantilevers 45 that extend with one, and it has the end 47 of a binding face 46 and a reduced thickness.Secondly fix a spring lever 48 in the cross-connecting area of end 42 and cantilever 45 on support 43, it has the free end 49 of a band dogleg section.Cantilever 45 is done to such an extent that have a lead rib 51 of an outer seamed edge 50 of arc and a polishing.Make like this according to Fig. 2 support 43, make binding face 46 be positioned at one near on the position of pin hole 17.
Bobbin casing 21 is done to such an extent that have the projection 52 on plane 53 with one on edge 38, can fit with the binding face 46 of cantilever 45 in this plane.
Bobbin casing 21 is done to such an extent that be with a convex shoulder 54 on its edge 38 in addition, and it has a seamed edge 55.This seamed edge can be fitted with spring lever 48.
Seamed edge 55 and spring lever 48 constitute first anti-rotation device 56.The cantilever 45 of projection 52 and band binding face 46 constitutes second anti-rotation device 57.Two anti-rotation devices 56,57 are made like this, and bobbin casing 21 can be rotated between the final position, make to form one respectively apart from the contact site that can fit (seamed edge 55 and spring lever 48; Binding face 46 and plane 53) gap of about 1.2mm.These two anti-rotation devices, 56,57 common formation one fixtures 58.
The application of fixture 58 and pin hole 17 are arranged in the still fixing panel 17 of feeding tooth 16 irrelevant.
Do an explanation by means of the improvement structure of Fig. 8 to 11 pair of above-mentioned Sewing machines 1 together with silk thread shearing device 60 below.Here pin hole 17 ' for example be positioned at panel 13 ' on, just as having one during along the Sewing machines of the fixed pin of sewing direction.
Described bearing block 2 has one 61, and it has a screw joint face on the upper end of its projecting shaft bearing 2, fixes a hook line blade 62 with screw thread (nail) on it.It has the end 63 of a bending, forms a blade 64 above it.Be screwed the blade 65 of a fixed-site on bearing block 2, it has blade 67 on an one free end 66.By Adler467 level Sewing machines common on DE2540994A1 and the market together with the known this silk thread shearing device of affiliated spare parts list.
Its operation principle is as follows:
By the operation principle of the known shuttle 18 of prior art with the operation principle of carrying out process that the silk thread winding 68 that is made of sewing thread 12 is twined around shuttle line 24.Therefore only be confined to here explanation by anti-rotation device 56 and 57 resulting characteristics.
When operation sewing shuttle body 19 do to that is to say that around the rotatablely moving of axis 26 shuttle body 19 is along 69 rotations of a direction of rotation.Bobbin casing 21 is fixed by first anti-rotation device 56 and is not followed rotation when this rotatablely moving, and at this moment seamed edge 55 is fitted on the spring lever 48.At this moment second anti-rotation device 57 is in such state, be located in this state projection on 52 plane 53 and between the binding face 46 that forms on the cantilever 45 of fixed-site, form the gap of an about 1.5mm.
Along with the sewing line segment 70 that is positioned at bobbin casing 21 tops of the continuation of shuttle body 19 rotation silk thread winding 68 through the zone of second anti-rotation device 57 and the workspace of bobbin case opener 36, at this moment terminal 34 be positioned on the position of a counter-clockwise swing in this state.Form foot here and move big gap between plane 35 and binding face 39, it allows the not significant damage of sewing line segment 70 ground to pass through.By second anti-rotation device 57 with respect to the relative layout of the workspace of bobbin case opener 36 almost at the same time and under the state that silk thread winding 68 is expanded fully these zones by sewing line segments 70, wherein by advancing with avoiding being arranged on cam sewing line segment 70 no any deflections commentaries on classics on panel 13 bottom surfaces 71.
With sewing line segment 70 was passed through in the long time interval, thereby make bobbin case opener 36 also have the more time available, carry out one and have on bobbin casing 21 the almost working motion of shockless movement.At this moment because lever 33 clockwise oscillating motions make bobbin casing 21 be rotated along the direction opposite with direction of rotation 69.Wherein between spring lever 48 and seamed edge 55, form the gap of an about 1.5mm.Therefore sew line segment 70 unhinderedly by this first anti-rotation device 56.
Shown in Fig. 7, from the no any obstruction of silk thread (the sewing line segment 73 of shuttle line 24, sewing line segment 70, silk thread winding 68) ground that bobbin casing 21 stretches to pin hole 17, just the edge reaches in the chamber 74 vacantly.
In by the structure of the double-lock type stitch sewing machine of band silk thread device for excising 60 of the present invention, allow chamber 74 ', the blade 67 of fixed blade 65 be provided with relatively near pin hole 17 or 17 ' the bottom surface.Such silk thread cutting-off process can be realized thus, remaining the end of a thread that on sewing product bottom surface length has only several millimeters weak point can be reached with it.
The Reference numeral table
1. sewing machine 2. base plates
3. principal post 4. arms
5. head 6. arm axles
7. crank driving mechanism 8. thread take-up tension levers
9. shank 10. sewing needles
11. coil 12. sewing threads
13. panel (13 ') 14. sewing products
15. opening 16. feeding teeth
17. pin (17 ') 18. shuttles
19. shuttle body 20. shuttle points
21. bobbin casing 22. is stored line
23. mouthful 24. shuttle lines
25. axle 26. axis
27. bearing block 28. driving shafts
29. axle 30. crank-pins
31. movable joint 32. levers
33. bar bar
34. terminal 35. planes
36. bobbin case opener 37. grooves
38. edge 39. binding faces
40. piece 41. screw joint faces
42. terminal 43. supports
44. screw 45. cantilevers
46. binding face 47. ends
48. spring lever 49. ends
50. outer seamed edge 51. lead ribs
51. protruding 53. planes
54. the shaft shoulder 55. seamed edges
56. first anti-rotation device, 57. second anti-rotation devices
58. fixture 60. silk thread shearing devices
The blade 61. axle 62. reels off raw silk from cocoons
63. terminal 64. blades
65. blade 66. ends
67. blade 68. silk thread winding
69. direction of rotation 70. sewing line segments
71. unloading (taking out), bottom surface 72. coils go out end
73. sewing line segment 74. cavitys (74 ')
Claims (5)
1. double-lock type stitch sewing machine has following feature:
One is used for the panel (13) of sewing product (14),
One in panel (13) or feeding tooth (16), form be used for pin hole (17) that sewing needle (10) is passed,
Have one with a bearing block (27) of shuttle (18) that can be rotated to support on its inside at panel (13),
Shuttle (18) have one around vertical axis (26) along direction of rotation (69) rotation with a shuttle body (19) that is rotatably installed in the bobbin casing (21) of its inside,
The fixture of one fixed-site (58), it has
One is used for preventing that bobbin casing (21) from following first anti-rotation device (56) of rotation along direction of rotation (69),
With one be used for limiting second anti-rotation device (57) that rotatablely move of bobbin casing (21) along the direction opposite with direction of rotation (69),
It is characterized by:
First anti-rotation device (56) is arranged on coil and extracts end (72) on the position away from pin hole (17),
Second anti-rotation device (69) has a binding face (46) that is arranged near the position of pin hole (17),
This binding face is being made under the situation of avoiding the cam on panel (13) bottom surface (71) on the fixing cantilever (45),
It can be fitted with a projection (52) that is arranged on the bobbin casing (21),
Between bobbin casing (21) and panel (13,13 ') bottom surface (71), be provided with a cavity (74,74 '), extend to vacantly in this cavity to the silk thread (12,24) that pin hole (17) direction stretches from shuttle (18).
2. by the described double-lock type stitch sewing machine of claim 1, it is characterized by: cantilever (45) has a lead rib (51).
3. by the described double-lock type stitch sewing machine of claim 2, it is characterized by: first (56) and second anti-rotation device (57) is gone up at a common support (43) and is formed.
4. by the described double-lock type stitch sewing machine of claim 1, it is characterized by: bobbin casing (21) is done to such an extent that be with a binding face (39) on its edge (38), can fit with it in one plane (35) of bobbin case opener (36), wherein binding face (39) is positioned at diameter two ends with pin hole (17,17 ') basically with respect to axis (26).
5. by the described double-lock type stitch sewing machine of claim 1, its feature is as follows:
The blade that reels off raw silk from cocoons (62) of silk thread shearing device (60) can move in the cavity (74,74 '), and the blade (62) that wherein reels off raw silk from cocoons has a blade (64),
The blade (67) of the blade of fixed-site (65) is arranged near the pin hole (17,17 '),
Wherein blade (64) can engage with blade (67), to realize the silk thread cutting-off process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10117560.4 | 2001-04-07 | ||
| DE2001117560 DE10117560C1 (en) | 2001-04-07 | 2001-04-07 | Looper, used for a double-lockstitch sewing machine, has locks to prevent the bobbin housing rotating in either direction, to prevent adverse effects on the lower thread loop during stitching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1380458A true CN1380458A (en) | 2002-11-20 |
| CN100436691C CN100436691C (en) | 2008-11-26 |
Family
ID=7680881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02103883XA Expired - Fee Related CN100436691C (en) | 2001-04-07 | 2002-04-05 | Double-lock type stitch sewing machine with rotation-proofing device for bobbin case |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002306879A (en) |
| CN (1) | CN100436691C (en) |
| DE (1) | DE10117560C1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363171B (en) * | 2008-09-12 | 2012-05-09 | 武汉北方天鸟佳美电脑绣花机制造有限公司 | How to operate the looper of a sewing machine or computerized embroidery machine |
| CN101058922B (en) * | 2006-04-21 | 2012-05-09 | 杜尔克普-阿德勒股份公司 | Lock-type chain stitch sewing machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006009410U1 (en) * | 2006-04-21 | 2007-08-30 | Dürkopp Adler AG | Thread-pulling knife for a sewing machine |
| DE102017201929A1 (en) * | 2017-02-08 | 2018-08-09 | Dürkopp Adler AG | A lockstitch sewing machine and method for creating a seam-starting top thread with a low desired seam overhang |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2616738C3 (en) * | 1976-04-15 | 1979-03-29 | Duerkoppwerke Gmbh, 4800 Bielefeld | Lockstitch sewing machine with rotating hook |
| DE8437343U1 (en) * | 1984-12-20 | 1986-09-18 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Lockstitch sewing machine with a hook |
| DE3644711A1 (en) * | 1986-12-30 | 1988-07-14 | Duerkoppwerke | DOUBLE-STEP-STITCH SEWING MACHINE WITH AT LEAST ONE GRIPPER |
| TW425443B (en) * | 1996-05-16 | 2001-03-11 | Juki Kk | Bobbin case and bobbin thread bobbin of sewing machine |
| JP4272735B2 (en) * | 1999-01-27 | 2009-06-03 | Ｊｕｋｉ株式会社 | Sewing machine |
-
2001
- 2001-04-07 DE DE2001117560 patent/DE10117560C1/en not_active Expired - Fee Related
-
2002
- 2002-03-29 JP JP2002095287A patent/JP2002306879A/en active Pending
- 2002-04-05 CN CNB02103883XA patent/CN100436691C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058922B (en) * | 2006-04-21 | 2012-05-09 | 杜尔克普-阿德勒股份公司 | Lock-type chain stitch sewing machine |
| CN101363171B (en) * | 2008-09-12 | 2012-05-09 | 武汉北方天鸟佳美电脑绣花机制造有限公司 | How to operate the looper of a sewing machine or computerized embroidery machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100436691C (en) | 2008-11-26 |
| JP2002306879A (en) | 2002-10-22 |
| DE10117560C1 (en) | 2002-07-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 |