CN100460581C - Take-up device for sewing machine - Google Patents
Take-up device for sewing machine Download PDFInfo
- Publication number
- CN100460581C CN100460581C CNB2003101195174A CN200310119517A CN100460581C CN 100460581 C CN100460581 C CN 100460581C CN B2003101195174 A CNB2003101195174 A CN B2003101195174A CN 200310119517 A CN200310119517 A CN 200310119517A CN 100460581 C CN100460581 C CN 100460581C
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- Prior art keywords
- suture
- tension lever
- thread take
- line
- hole
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- Expired - Lifetime
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- 238000009958 sewing Methods 0.000 title claims abstract description 39
- 239000004020 conductor Substances 0.000 claims description 35
- 206010016173 Fall Diseases 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
Provided is a thread feeding device of a sewing machine capable of selecting optimum thread-reeling-out control. In the thread feeding device of the sewing machine capable of selecting a first thread path R1 reaching a needle 9 through a swinging thread take-up lever 14 and a needle-bar take-up lever 16 from a bobbin 5 and a second thread path R2 reaching the needle 9 through the swinging take-up lever 14 from the bobbin 5, there is provided a swinging take-up lever thread receiver 17 arranged at the position separated from a thread-reeling hole 14bc of the swinging take-up lever 14 to the needle side, and a needle thread T selecting the second thread path is disposed can be engaged with the receiver 14.
Description
Technical field
The present invention relates to a kind of line falling device of Sewing machines, it comprises the shank that moves up and down linkedly with last axle and eedle has been installed in its lower end, be fixed in the upper end of above-mentioned shank and have a plurality of line fallings hole that to pass suture and control the shank thread take-up tension lever of the amount of pouring out of suture, thereby be located at the head of sewing machine side and one distolateral have a plurality of line fallings hole that can pass suture and distolateral with another be the swing thread take-up tension lever of the amount of pouring out of center reciprocally swinging control suture, and can select to arrive the 1st suture path of above-mentioned eedle through above-mentioned swing thread take-up tension lever and above-mentioned shank thread take-up tension lever and arrive the 2nd suture path of above-mentioned eedle from bobbin through above-mentioned swing thread take-up tension lever from spool.
Background technology
On Sewing machines in the past, be provided with and be used to control the line falling device of pouring out the amount of pouring out of suture towards eedle.This well-known line falling device, comprise the upper end that is fixed in shank the shank thread take-up tension lever, with shank synchronously and the swing thread take-up tension lever of reciprocally swinging, and arrive eedle through swing thread take-up tension lever and shank thread take-up tension lever from the suture of bobbin.Then, with the co-operating of swing thread take-up tension lever and shank thread take-up tension lever, the amount of pouring out of control suture.
To this, the spy opens flat 11-No. 76671 described devices of communique, has omitted the shank thread take-up tension lever that is fixed on the shank upper end, only controls the amount of pouring out of suture with the swing thread take-up tension lever.
When with shank thread take-up tension lever and the swing thread take-up tension lever control suture amount of pouring out, because the suture path length does not break.But, because the flexible quantitative change of suture is big,, thereby having some setbacks from the line that supplies of bobbin side so actual tension force is not the value of setting according to yarn change mechanism, the result forms not have the lax stitching that hardens.
On the other hand, when only controlling the amount of pouring out of suture,,, can form the stitching of lax a little softness so the tension force of suture passes to whole sutures easily and supplies with suture swimmingly because the suture path is short with the swing thread take-up tension lever.But, when changing the suture consumption because of fabric thickness and take place sharply to change, can not absorb the flexible of suture and break sometimes.
[patent documentation]
11-No. 76671 communiques of Te Kaiping (the 1st figure)
Like this, the line falling device of folk prescription in the past, because its suture path length, so, have the problem of easy formation rigid line mark though be difficult to break.And the opposing party's line falling device is because its suture path is short, so though can form soft stitching, the problem of easy generation broken string is arranged.
The operator will prepare to have many Sewing machiness of the line falling device of different performance, when preventing that broken string from being main, or when being main with the soft or hard of stitching etc., as long as select to have the Sewing machines of the line falling device that is suitable for its purpose most.But, must prepare and many Sewing machiness of keeping for this reason, not only cause the cost rising and reduced operability.
The present invention is for addressing the above problem, and purpose is to provide a kind of can particularly adjust the device of its stitching easily with a Sewing machines, according to preventing to break or purpose such as stitching soft or hard, selecting the line falling device of the Sewing machines of optimal line falling control.
Summary of the invention
In order to address the above problem, the line falling device of the present invention's 1 described Sewing machines, comprise: move up and down with last axle interlock and the shank 21 of eedle is installed in its lower end, with the upper end that is fixed in described shank and have the shank thread take-up tension lever 16 of a plurality of line fallings hole that can pass suture, the control suture amount of pouring out and be located at the head of sewing machine side, one distolateral have a plurality of line fallings hole of passing suture and distolateral with another be the swing thread take-up tension lever 14 that the amount of pouring out of reciprocally swinging, control suture is carried out at the center;
Can select to arrive the 1st suture path R1 of described eedle and pass through the 2nd suture path R2 that described swing thread take-up tension lever arrives described eedle through described swing thread take-up tension lever and described shank thread take-up tension lever from bobbin from bobbin,
Be provided with the position that is disposed at than the more close eedle side in line falling hole of described swing thread take-up tension lever, and can hang up the swing thread take-up tension lever thread gripping-board 17 of the suture in selecteed described the 2nd suture path.
The line falling device of 1 Sewing machines according to the present invention, swing thread take-up tension lever thread gripping-board does not hang up suture, and hang up suture when using the 2nd suture path to form stitching when using the 1st suture path to form stitching.That is, swing thread take-up tension lever thread gripping-board is only proposed line, line falling control when using the 2nd suture path, do not propose line, line falling control when using the 1st suture path.Therefore, the influence that needn't consider to swing the thread take-up tension lever thread gripping-board when adjusting owing to the stitching when using the 1st suture path is so adjust stitching easily.
The line falling device of the present invention's 2 described Sewing machiness, be in the line falling device of the present invention 1 Sewing machines, also comprise: be configured in than the position of the more close eedle side of described swing thread take-up tension lever thread gripping-board and have the auxiliary conductor device 18 in a plurality of lines hole in the line falling hole that corresponds respectively to described swing thread take-up tension lever
The center, line falling hole that connects described swing thread take-up tension lever reaches the suture path at center, line hole of corresponding described auxiliary conductor device with it, and is consistent with the swinging track face of described swing thread take-up tension lever.
The line falling device of 2 Sewing machines according to the present invention, when using the 2nd suture path to sew, even the reciprocating motion of swing thread take-up tension lever, suture does not swing yet, so can obtain stable outlet amount.
The line falling device of the present invention's 3 described Sewing machiness is in the line falling device of the present invention 2 Sewing machines, it is characterized in that: on the line hole of described auxiliary conductor device, be formed with the notch part 18bb that can import suture from the eedle side.
The line falling device of 3 Sewing machines according to the present invention, its threading operation is easy.
The line falling device of the present invention's 4 described Sewing machiness is in the line falling device of the Sewing machines of the present invention 2 or 3, it is characterized in that: described auxiliary conductor device, can move up and down or side-to-side movement be supported on the frame and be fixed in assigned position.
The line falling device of 4 Sewing machines according to the present invention with the method for adjusting auxiliary conductor device position, can change the suture path and can adjust the outlet amount
Description of drawings
Fig. 1 is the stereogram of the present invention the 1st embodiment.
Fig. 2 is the enlarged drawing of the line falling portion of Fig. 1.
Suture route diversion figure when Fig. 3 is mobile auxiliary conductor device 18.
Fig. 4 is the details drawing from the 2nd suture path that the panel side is seen.
Fig. 5 is the details drawing of auxiliary conductor device.
Among the figure: shank-21,16-shank thread take-up tension lever, 14-swing thread take-up tension lever, R1-the 1st suture path, R2-the 2nd suture path, 17-swing thread take-up tension lever thread gripping-board, 18-auxiliary conductor device, 18bb-notch part.
The specific embodiment
With reference to Fig. 1～Fig. 4 the 1st embodiment of the present invention is described.In addition, a suture T and a bobbin 5 only have been described on the accompanying drawing, have omitted other suture and bobbin.
Fig. 1 represents is as example of the present invention, carry out the Sewing machines 1 of ornamental seam or chain lock stitching ornamental seam.This faggot-stitching machine 1 is provided with the line falling device 11 that the backguy action of carrying out traction sutures T, lax suture T and line falling are moved.The frame of faggot-stitching machine 1 is made of base plate 2, the main body section 3 of extending upward from the base plate right side, the chain-drive section 4 that extends abreast from main body section 3 and base plate 2.
And,, disposing with omitting the bobbin 5 that illustrated creel supports on the top of faggot-stitching machine 1.In addition, in the face of the operator, on the main body section 3 of Sewing machines, disposed yarn changing device 6,7,8 from upside.3 yarn changing devices 6 of upside apply tension force to the suture T that passes 3 eedles 9 respectively.In addition, the yarn changing device 7 of its downside applies tension force to the last decorative thread that passes decorative thread deconcentrator 10, and yarn changing device 8 applies tension force to the machine shuttle thread that is configured in base plate 2 inside.
On chain-drive section 4, in be equipped with and omit the illustrated axle of going up, on this, connecting shank 21 on the axle.Shank 21 has been fixed 3 eedles 9 in its lower end.In Hubei Province portion of the chain-drive section 4 that has disposed shank 21, dispose decorative thread deconcentrator 10.Should go up decorative thread deconcentrator 10, and and omit the illustrated axle of going up and be connected, and with eedle 9 interlocks, making thing face side reciprocally swinging.In addition, omitted illustrated machine shuttle, be installed in the base plate 2, with eedle 9 interlocks and making the thing rear side along with make the swing of the vertical Y direction of direction X.Therefore, on the formed stitching of co-operating,, last decorative thread deconcentrator 10 forms fagot Yi Bian will going up the decorative thread entanglement on one side by 3 eedles 9 and machine shuttle.
Be located at the line falling device 11 on the chain-drive section 4, disposing successively with lower device on the suture circuit of eedle 9 from yarn changing device 6: promptly, fueller 12, movable cable guiding device 13, swing thread take-up tension lever 14, swing thread take-up tension lever thread gripping-board 17, auxiliary conductor device 18, be located at shank 21 tops shank thread take-up tension lever 16, be located at the shank thread take-up tension lever thread gripping-board 15 of its underpart.In addition, only represented 1 suture T on accompanying drawing, but usually, what line falling device 11 carried out 3 suture T proposes line, and line falling.
Above-mentioned fueller 12 has been adorned the 12a of fuel feeding portion as the silicone oil of lubricant in having, in the 12a of this fuel feeding portion the felt that is soaked with silicone oil is housed.When suture T passes through fueller 12, contact and be coated with silicone oil with this felt.In addition, in the suture path downstream side (diagram left side) of the 12a of fuel feeding portion, fixing the wire portion 12b and the extension 12c that are bent to the L word shape, and on wire portion 12b, forming 3 line holes, in the face of on operator's the extension 12c, form slotted hole 12d along the Y direction.
Be located at the movable cable guiding device 13 of the suture path downstream side of wire portion 12b, by supporter 13a and thereon end 3 conductor rod 13b forming the line hole constitute.Each conductor rod 13b, the through hole that can be formed on the above-below direction of supporter 13a up or down supports, and is fixed on the assigned position by screw.
In addition, supporter 13a, the screw 24 that is passed the slotted hole 12d of extension 12c is fixed on the extension 12c.This screw 24 is moved along slotted hole 12d, and be fixed, in order to the adjustment of the diagram left and right directions Y position of carrying out supporter 13a at assigned position.With the adjustment of the upper-lower position of the position, the left and right sides of supporter 13a or conductor rod 13b, can adjust line amount and the line falling amount put forward.
Swing thread take-up tension lever 14 constitutes to the swing arm 14b of Y direction extension by swing base 14a with from swing base 14a.Swing base 14a is fixed on and does not have illustrated the distolateral of driving shaft 19 that axle is connected that go up, when last axle rotates, and driving shaft 19 interlocks and swing, swinging 14 of thread take-up tension levers is that the center swings up and down with driving shaft 19.
In the downstream of swing thread take-up tension lever 14, that is,, dispose swing thread take-up tension lever thread gripping-board 17 and auxiliary conductor device 18 in order towards eedle 9 leaving on the position of eedle side from the line falling hole 14bc that is formed at swing thread take-up tension lever front end.
Swing thread take-up tension lever thread gripping-board 17 is configured in close eedle one side by the line falling hole 14bc of swing thread take-up tension lever 14, that is, and and the outside of the swinging track of swing thread take-up tension lever 14.Swing thread take-up tension lever thread gripping-board 17 is by being fixed on the body 17a on operator's the head of sewing machine side 4 and constituting to the 17b of hanging wire portion that the operator extends from body.On body 17a, form slotted hole 17c along the vertical direction.Swing thread take-up tension lever thread gripping-board 17 can slide along this slotted hole 17c, and the screw that is passed this slotted hole 17c is fixed on assigned position.
In addition, on the wire portion 18b of auxiliary conductor device 18, be formed with 3 wire guide 18d.These 3 wire guide 18d correspond respectively to 3 line falling hole 14bc that swing thread take-up tension lever 14.And,, form the 14bc center, line falling hole that connects swing thread take-up tension lever 14, the suture path R2 that reaches the wire guide 18d center of the auxiliary conductor device corresponding with it along the Y direction vertical with cloth feeding direction X.
Can be supported on the shank 21 on the chain-drive section 4 with moving up and down, with last axle interlock and move up and down, eedle 9 is installed in its lower end.Be fixed on the shank thread take-up tension lever 16 of the upper end of this shank 21, extend configuration from shank 21 to operator side (front side of accompanying drawing), and portion be formed with 3 line falling hole 16a in the central, corresponds respectively to 3 suture T.
In head of sewing machine portion 4 upper end side, fixing shank thread take-up tension lever thread gripping-board 15 near this shank thread take-up tension lever 16.Shank thread take-up tension lever thread gripping-board 15 is seen from upside to be the U font, passes suture T in the space of this U font.In addition, the lower end side in the jaw portion of chain-drive section 4 is being fixed suture guider 22.Suture T is being drawn toward eedle 9 by these suture guider 22 backs.
Below, the action of the 1st embodiment is described.
The 1st embodiment, any of can select two suture path R1, R2.
The 1st suture path R1 is through the line falling hole 14bc of yarn changing device 6, fueller 12, conductor rod 13b, swing thread take-up tension lever 14, the outside of shank thread take-up tension lever thread gripping-board 15, the line falling hole 16a of shank thread take-up tension lever 16, the inboard of shank thread take-up tension lever thread gripping-board 15, the path that suture guider 22 arrives eedle 9 from bobbin 5.
In addition, the 2nd suture path R2 is through the line falling hole 18ba of yarn changing device 6, fueller 12, conductor rod 13b, the line falling hole 14bc of swing thread take-up tension lever 14, the upside of swinging the 17b of hanging wire portion of thread take-up tension lever thread gripping-board 17, auxiliary conductor device, the path that suture guider 22 arrives eedles 9 from bobbin 5.
And when having selected the 1st suture path R1, with axle interlock on the Sewing machines, swing thread take-up tension lever 14 and shank thread take-up tension lever 16 drive and line amount and line falling amount are put forward in control.In addition, when having selected the 2nd suture path R2, drive and control line amount and the line falling amount put forward with axle interlock swing thread take-up tension lever 14 on the Sewing machines.
Because the 1st suture path R1 is than the suture path length of the 2nd suture path R2, so select for use when preventing to break.In contrast, the 2nd suture path R2 is shorter than the suture path of the 1st suture path R1, so select for use when hope forms soft stitching.
According to the 1st embodiment, swing thread take-up tension lever thread gripping-board 17, the line falling hole 14bc that is configured in than swing thread take-up tension lever 14 leans on eedle one side, that is, and in the outside of the swinging track of swinging thread take-up tension lever 14.
Swing thread take-up tension lever thread gripping-board 17 does not hang up suture T, and hang up suture T when using the 2nd suture path R2 to form stitching when using the 1st suture path R1 to form stitching.Promptly, because 17 of swing thread take-up tension lever thread gripping-boards are proposed line and line falling control when using the 2nd suture path R2, when using the 1st suture path R1, do not propose line and line falling control, so when when using the 1st suture path R1, carrying out the stitching adjustment, the influence of thread take-up tension lever thread gripping-board 17 can be do not considered to swing, therefore stitching can be adjusted easily.This what is called is adjusted stitching, is meant to change suture path, thread tension etc., carries out the rigid line mark when changing into soft stitching, or carries out the adjustment of wire loop size and prevent wire jumper.
In addition, when using the 1st suture path R1,,, therefore do not produce broken string so do not produce new suture flex points because suture T does not hang on the swing thread take-up tension lever 14.
And the line falling hole 14bc of swing thread take-up tension lever 14 swings up and down along the Y direction.In addition, the 2nd suture path R2 of the line falling hole 18ba of line falling hole 14bc, auxiliary conductor device by conductor rod 13b, swing thread take-up tension lever 14 is positioned at along on 1 straight line of Y direction.When using the 2nd suture path R2 to form stitching, though swing thread take-up tension lever 14 reciprocally swingings, owing to suture T does not swing, so can obtain the stable line amount of putting forward.
The present invention is not limited to the foregoing description, can carry out various changes.
For example, shown in Fig. 5 (a), on auxiliary conductor device 18, form line falling hole 18d.In addition, shown in Fig. 5 (b), when being provided with from the narrow gradually notch part 18bb of eedle side direction line falling hole 18d (diagram Z direction), its threading operation become easily, and needn't worry that when making suture deviates from.
In addition, when swinging up and down along the Y direction with swing thread take-up tension lever 14, the 2nd suture path R2 at the center, line hole of the 14bc center, line falling hole of connection swing thread take-up tension lever 14 and the auxiliary conductor device 18 corresponding with it is positioned at along on 1 straight line of Y direction.Replace, swinging track face and the 2nd suture path R2 direction of the line falling hole 14bc of swing thread take-up tension lever 14 are not limited to the Y direction, as long as consistent with the swinging track face and the 2nd suture path direction of swing thread take-up tension lever 14.
In addition, auxiliary conductor device 18 has formed slotted hole 18c along the vertical direction, but replaces, and also can form slotted hole along left and right directions (Y direction), adjusts the auxiliary conductor device at left and right directions easily.
In addition, also can consider to swing thread take-up tension lever thread gripping-board 17 and auxiliary conductor device 18 is installed on the installing plate that is fixed on the head of sewing machine 4.At this moment, can be by installing plate with respect to head of sewing machine in the above-below direction adjustment, swing thread take-up tension lever thread gripping-board 17 and auxiliary conductor device 18 also can direction adjustment to the left and right on this installing plate easily.Also can consider this above-below direction and left and right directions as same direction.
(invention effect)
As mentioned above, according to the present invention 1, swing thread take-up tension lever thread gripping-board is using the 1st suture path Do not hang up suture when forming stitching, and when using the 2nd suture path to form stitching, hang up suture. That is, Swing thread take-up tension lever thread gripping-board is only proposed line and line falling control when using the 2nd suture path, make During with the 1st suture path, do not propose line and line falling control. Therefore, using the 1st suture path When carrying out the stitching adjustment, line can be easily adjusted in the impact that can not consider to swing the thread take-up tension lever thread gripping-board Mark.
According to the present invention 2, when using the 2nd suture path to form stitching, even the swing thread take-up tension lever is past Physical pendulum is moving, but owing to suture does not swing, so can obtain the stable line amount of putting forward.
According to the present invention 3, can make that the threading operation becomes easily.
According to the present invention 4, the method with the position of adjusting the auxiliary conductor device can change the suture path, And can adjust the line amount of putting forward.
Claims (4)
1. the line falling device of a Sewing machines is characterized in that, comprising:
Move up and down with last axle interlock and be equipped with in its lower end eedle shank and
Be fixed in the upper end of described shank and have a plurality of line fallings hole that can pass suture, the control suture amount of pouring out the shank thread take-up tension lever and
Be located at the head of sewing machine side, one distolateral have a plurality of line fallings hole of passing suture and distolateral with another be that the swing thread take-up tension lever that reciprocally swinging is controlled the amount of pouring out of suture is carried out at the center;
Can select to arrive the 1st suture path of described eedle and pass through the 2nd suture path that described swing thread take-up tension lever arrives described eedle through described swing thread take-up tension lever and described shank thread take-up tension lever from bobbin from bobbin;
Be provided with the position that is disposed at than the more close eedle side in line falling hole of described swing thread take-up tension lever, and can hang up the swing thread take-up tension lever thread gripping-board of the suture in selecteed described the 2nd suture path.
2. the line falling device of Sewing machines according to claim 1, it is characterized in that, also comprise: be configured in than the position of the more close eedle side of described swing thread take-up tension lever thread gripping-board and have the auxiliary conductor device in a plurality of lines hole in the line falling hole that corresponds respectively to described swing thread take-up tension lever
The center, line falling hole that connects described swing thread take-up tension lever reaches the suture path at center, line hole of corresponding described auxiliary conductor device with it, and is consistent with the swinging track face of described swing thread take-up tension lever.
3. the line falling device of Sewing machines according to claim 2 is characterized in that: on the line hole of described auxiliary conductor device, be formed with the notch part that can import suture from the eedle side.
4. according to the line falling device of claim 2 or 3 described Sewing machiness, it is characterized in that: described auxiliary conductor device, can move up and down or side-to-side movement be supported on the frame and be fixed in assigned position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002354915A JP4267310B2 (en) | 2002-12-06 | 2002-12-06 | Thread feeding device for sewing machine |
| JP2002354915 | 2002-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1506516A CN1506516A (en) | 2004-06-23 |
| CN100460581C true CN100460581C (en) | 2009-02-11 |
Family
ID=32755756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101195174A Expired - Lifetime CN100460581C (en) | 2002-12-06 | 2003-12-01 | Take-up device for sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4267310B2 (en) |
| CN (1) | CN100460581C (en) |
| TW (1) | TW200415279A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957891B (en) * | 2017-12-25 | 2021-06-01 | 杰克缝纫机股份有限公司 | Flat seaming machine and flat seaming machine thread take-up mechanism thereof |
| CN108103678B (en) * | 2018-01-16 | 2020-06-05 | 杰克缝纫机股份有限公司 | Sewing machine take-up mechanism and sewing machine |
| CN111041717A (en) * | 2019-12-27 | 2020-04-21 | 西安标准工业股份有限公司 | Control method of rear suction type bird-nest-free device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531280A (en) * | 1991-08-02 | 1993-02-09 | Tokai Ind Sewing Mach Co Ltd | Needle thread take-up device in multi-needle type sewing machine |
| JPH1033872A (en) * | 1996-07-22 | 1998-02-10 | Brother Ind Ltd | Sewing machine |
| JPH119872A (en) * | 1997-06-20 | 1999-01-19 | Juki Corp | Thread feed device of sewing machine |
| JPH1176671A (en) * | 1997-09-08 | 1999-03-23 | Yamato Sewing Mach Co Ltd | Sewing machine with thread feeding device |
| US5899156A (en) * | 1996-05-04 | 1999-05-04 | Union Special Gmbh | Thread control device for a chainstitch sewing machine |
-
2002
- 2002-12-06 JP JP2002354915A patent/JP4267310B2/en not_active Expired - Lifetime
-
2003
- 2003-11-19 TW TW92132424A patent/TW200415279A/en unknown
- 2003-12-01 CN CNB2003101195174A patent/CN100460581C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531280A (en) * | 1991-08-02 | 1993-02-09 | Tokai Ind Sewing Mach Co Ltd | Needle thread take-up device in multi-needle type sewing machine |
| US5899156A (en) * | 1996-05-04 | 1999-05-04 | Union Special Gmbh | Thread control device for a chainstitch sewing machine |
| JPH1033872A (en) * | 1996-07-22 | 1998-02-10 | Brother Ind Ltd | Sewing machine |
| JPH119872A (en) * | 1997-06-20 | 1999-01-19 | Juki Corp | Thread feed device of sewing machine |
| JPH1176671A (en) * | 1997-09-08 | 1999-03-23 | Yamato Sewing Mach Co Ltd | Sewing machine with thread feeding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1506516A (en) | 2004-06-23 |
| TWI314962B (en) | 2009-09-21 |
| JP2004181134A (en) | 2004-07-02 |
| TW200415279A (en) | 2004-08-16 |
| JP4267310B2 (en) | 2009-05-27 |
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| CX01 | Expiry of patent term |
Granted publication date: 20090211 |
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| CX01 | Expiry of patent term |