CN106835531B - Close sewing method of sewing machine - Google Patents
Close sewing method of sewing machine Download PDFInfo
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- CN106835531B CN106835531B CN201611210597.8A CN201611210597A CN106835531B CN 106835531 B CN106835531 B CN 106835531B CN 201611210597 A CN201611210597 A CN 201611210597A CN 106835531 B CN106835531 B CN 106835531B
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- sewing
- connecting rod
- driver
- close
- sewing machine
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/08—Fluid drives, e.g. pneumatic
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing equipment, in particular to a close sewing method of a sewing machine, which comprises the following steps: A. sending out a thread trimming instruction by a controller; B. the controller controls a driver to act to drive the sealing device to act; C. the sewing machine runs and carries out close sewing by the needle number set by the controller; D. the controller controls the second driver to act so as to drive the thread trimming device to finish the thread trimming action. The invention can solve the problems that the thread end is not beautiful after being cut and the thread end is overlong after being cut in the prior art, and can adjust the stitch length during sewing through a mechanical structure. A small section of close sewing or variable-stitch-length sewing is carried out before thread trimming, so that the thread end after thread trimming is shortened, the remained thread end is firmly connected and is not easy to fall off after being pulled, the sewing effect is improved, and the attractiveness is increased.
Description
Technical Field
the invention belongs to the technical field of sewing equipment, and particularly relates to a close sewing method of a sewing machine.
background
A flat-seam sewing machine is a machine which uses a single sewing thread to form a stitch on a material to be sewn, thereby interweaving or sewing one or more layers of the material to be sewn. The flat sewing machine can be used for sewing fabrics such as cotton, hemp, silk, wool and rayon and products such as leather, plastics and paper, the thin material is generally used for knitting, underwear, shirts, uniforms and the like, the thick material is generally used for various sportswear, jeans, fashion, overcoat, shoes, hats, leather, bags and the like, and the flat sewing machine is the most basic vehicle type in sewing equipment.
At present, when a flat sewing machine finishes sewing and trimming, because the stitch length cannot be adjusted, the bottom thread end of one stitch length cannot be self-locked, a long thread end and a short thread end are presented at the trimming position of a sewn material, and the two thread ends are long and short and are arranged in tandem, so that the thread ends left after trimming are insecure, and can fall off by slightly pulling, and the sewing effect is influenced. In addition, the thread ends are long and lack of aesthetic feeling.
disclosure of Invention
the invention provides a close sewing method of a sewing machine aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to realize the close sewing or the variable stitch distance when cutting the thread and improve the sewing effect.
the purpose of the invention can be realized by the following technical scheme:
A close sewing method of a sewing machine comprises the following steps:
A. sending out a thread trimming instruction by a controller;
B. The controller controls a driver to act to drive the sealing device to act;
C. The sewing machine runs and carries out close sewing by the needle number set by the controller;
D. The controller controls the second driver to act so as to drive the thread trimming device to finish the thread trimming action.
in the close sewing method of the sewing machine, the action of the first driver in the step B is stopped after the thread trimming action is finished in the step D;
or: and the action of the first driver in the step B is stopped after the step C completes the close joint.
In the close sewing method of the sewing machine, the close sewing device comprises a first connecting rod, a first connecting rod is rotatably connected to the bottom plate of the machine shell, one end of the first connecting rod is connected with the movable part of the first driver, the other end of the first connecting rod is connected with the movable part of the third driver, the movable part of the third driver is further connected with a second connecting rod, and the first driver drives the first connecting rod to rotate so as to drive the second connecting rod to move to realize close sewing.
in the close sewing method of the sewing machine, the first connecting rod is connected to the bottom plate of the machine shell through the shaft position screw, and the first connecting rod can rotate around the shaft position screw.
in the close sewing method of the sewing machine, the movable part of the first driver is provided with the ejector pin, the ejector pin is abutted against one end of the first connecting rod, and the movable part of the first driver drives the first connecting rod to rotate.
In the seam sealing method of the sewing machine, the shaft position screw is sleeved with the torsion spring, the rotating arms of the torsion spring are respectively connected to the first connecting rod and the bottom plate of the machine shell, and the torsion spring drives the first connecting rod to automatically reset.
In the close sewing method of the sewing machine, one end of the second connecting rod, which is close to the third driver, is provided with a limit pin, and the other end of the first connecting rod is abutted against and interacted with the limit pin;
or: and the outer end of the movable part of the driver III is provided with an outer sleeve, and the other end of the connecting rod I is abutted against and interacted with the outer sleeve.
In the close sewing method of the sewing machine, the first driver and the second driver are electromagnets or air cylinders.
in the close sewing method of the sewing machine, the close sewing device comprises a first crank connected to a first driver, the first crank is connected with a second crank through a third connecting rod, the second crank is connected to a feeding shaft, a tooth frame is connected to the feeding shaft through a tooth frame seat, the first driver drives the first crank, the connecting rod and the second crank to control the feeding shaft to rotate during normal sewing, the feeding shaft controls the tooth frame to move through the tooth frame seat, and the first driver is controlled by a controller to stop feeding or perform micro feeding when sealing is needed.
In the close sewing method of a sewing machine described above, the actuator is a motor or a rotary electromagnet.
Compared with the prior art, the invention has the following advantages:
The invention can solve the problems that the thread end is not beautiful after being cut and the thread end is overlong after being cut in the prior art, and can adjust the stitch length during sewing through a mechanical structure. A small section of close sewing or variable-stitch-length sewing is carried out before thread trimming, so that the thread end after thread trimming is shortened, the remained thread end is firmly connected and is not easy to fall off after being pulled, the sewing effect is improved, and the attractiveness is increased.
Drawings
fig. 1 is a schematic structural view illustrating a first connecting rod and a second connecting rod in contact connection and interaction with a limit pin according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of the first connecting rod and the second connecting rod in contact connection and interaction with the backstitch electromagnet core sleeve in the first embodiment and the second embodiment of the invention.
Fig. 3 is a schematic view of a backstitch electromagnet core sleeve according to the first embodiment and the second embodiment of the invention.
Fig. 4 is a schematic view of the first link according to the first and second embodiments of the present invention, in which a groove is formed at the other end of the first link.
Fig. 5 is a schematic perspective view showing the first connecting rod and the second connecting rod in contact connection and interaction with the backstitch electromagnet core sleeve according to the first and second embodiments of the invention.
fig. 6 is a schematic view of a caulking apparatus according to a third embodiment of the present invention.
Fig. 7 is a second schematic view of a caulking apparatus according to a third embodiment of the present invention.
In the figure, 1, a first connecting rod; 2. a chassis base plate; 3. a second connecting rod; 4. an automatic material pouring and feeding crank; 5. the automatic reverse feeding pull rod; 6. a swing plate base; 7. a trimming electromagnet assembly; 8. an axial screw; 9. a knock pin; 10 an electromagnet assembly; 11. an electromagnet support; 12. an electromagnet core; 13. backstitch electromagnet assembly; 14. backstitch electromagnet cores; 15. a torsion spring; 16. a spacing pin; 17. a vertical plate; 18. backstitch electromagnet core sleeve; 19. a horizontal portion; 20. a link pin; 21. a vertical portion; 22. grooving; 23. a first crank; 24. a third connecting rod; 25. a crank II; 26. a feed shaft; 27. a dental articulator mount; 28. a dental articulator; 29. a stepper motor.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The first embodiment is as follows: method for simultaneous operation of two drivers:
as shown in fig. 1-5. A close sewing method of a sewing machine comprises the following steps:
A. The controller sends out a thread trimming instruction.
B. The controller controls a driver to act to drive the sealing device to act; the gauge of the seal is set upon installation of the driver.
C. the sewing machine is operated to perform close sewing by the set number of needles, which is preset by the controller.
D. The controller controls the second driver to act so as to drive the trimming device to finish trimming, and then controls the first driver to stop acting.
the close-sewing method of the embodiment can reduce the cloth feeding amount during thread cutting and shorten the thread end. Because a small section of close sewing or variable-stitch-length sewing is carried out before thread trimming, the thread end after thread trimming is shortened, the remained thread end is firmly connected and is not easy to fall off after being pulled, the sewing effect is improved, and the attractiveness is increased.
Specifically, the close sewing device comprises a first connecting rod 1, wherein the first connecting rod 1 is rotatably connected to a bottom plate 2 of a machine shell, one end of the first connecting rod 1 is connected with a movable part of a first driver, the other end of the first connecting rod is connected with a movable part of a third driver, the movable part of the third driver is further connected with a second connecting rod 3, the first driver drives the first connecting rod 1 to rotate so as to drive the second connecting rod 3 to move, the second connecting rod 3 drives an automatic reverse feeding crank 4, then, an automatic reverse feeding pull rod 5 acts on a swinging plate seat 6 to control the needle pitch through the swinging plate seat 6, the subsequent needle pitch is changed into a small needle pitch (including any value including 0 needle pitch and negative needle pitch, and the negative needle pitch is reverse sewing) preset when the first driver is installed, at the moment, the driver keeps acting, a set needle number of a sewing machine is moved under the small needle pitch, and the small-pitch sewing.
Furthermore, the first driver is an electromagnet assembly 10, and the electromagnet assembly 10 is arranged on the chassis base plate 2 through an electromagnet bracket 11. Of course, the first actuator may also adopt an air cylinder as another scheme. The electromagnet assembly 10 is relatively better used in this configuration. Correspondingly, the movable part of the first driver is an electromagnet core 12.
Similarly, the third driver is a backstitch electromagnet assembly 13. Of course, the third actuator may adopt an air cylinder as another scheme. Relatively speaking, backstitch electromagnet assembly 13 is used better in this structure. Correspondingly, the movable part of the third driver is a backstitch electromagnet core 14.
specifically, the first connecting rod 1 is connected to the bottom plate 2 of the casing through an axial position screw, and the first connecting rod 1 can rotate around the axial position screw. Because the shaft position screw 8 is convenient to install, the connection is firm. Therefore, this embodiment is preferably axial screw. Of course, the shaft screw may be replaced by an optical shaft with a screw at one end, but in order to position the first link 1, a retaining ring, a snap spring or the like needs to be provided at the other end of the optical shaft.
The structure that one end of the first connecting rod 1 of the embodiment is connected with the movable part of the first driver is as follows: the movable part of the first driver is provided with a top pin 9, the top pin 9 is in contact connection with one end of the first connecting rod 1, namely, in an abutting connection, and the movable part of the first driver drives the first connecting rod 1 to rotate. Of course, the movable part of the first driver can also be arranged in the arc-shaped groove at one end of the first connecting rod 1 in a penetrating manner to realize the connection between the first connecting rod 1 and the first driver.
in order to enable the connecting rod 1 to automatically reset, in the embodiment, the shaft position screw is sleeved with a torsion spring 15, rotating arms of the torsion spring 15 are respectively connected to the connecting rod 1 and the bottom plate 2 of the casing, and the torsion spring 15 can drive the connecting rod 1 to automatically reset under the condition that the action of the driver I is lost.
In addition, the connection relationship between the second link 3 and the third driver of the present embodiment is:
And one end of the second connecting rod 3, which is close to the third driver, is provided with a limiting pin 16, and the other end of the first connecting rod 1 is in contact connection with and interacts with the limiting pin 16. The other end of the first connecting rod 1 is a bent vertical plate 17, and the end face of the vertical plate 17 is abutted to the limiting pin 16 and interacts with the limiting pin.
as another scheme, the outer end of the movable part of the third driver is provided with an outer sleeve, and the outer sleeve of the embodiment is a backstitch electromagnet core sleeve 18. The backstitch electromagnet core sleeve 18 is U-shaped, two horizontal parts 19 are respectively positioned on the upper surface and the lower surface of the backstitch electromagnet core 14 and are connected with one end of the automatic backstitch feeding connecting rod 3 on the backstitch electromagnet core 14 through a connecting rod pin 20, a vertical part 21 of the backstitch electromagnet core sleeve 18 is positioned at the front end of the backstitch electromagnet core 14, the other end of the connecting rod 1 is also a bent vertical plate 17, and the vertical plate 17 is abutted against and interacts with the vertical part 21 of the backstitch electromagnet core sleeve 18.
Furthermore, the other end of the first connecting rod 1 is provided with a slot 22, and one end of the second connecting rod 3 is arranged in the slot 22, so that the other end of the first connecting rod 1 is positioned at one side of the backstitch electromagnet core sleeve 18 and can be abutted against the backstitch electromagnet core sleeve 18.
The second driver of the present embodiment is the trimming electromagnet assembly 7, and may be replaced by an air cylinder or the like.
The trimming electromagnet 7 of the embodiment is installed on the chassis bottom plate 2 through a fixing plate, a driving shaft of the trimming electromagnet 7 is abutted to one end of a swing rod 30, the middle part of the swing rod 30 is hinged to the chassis bottom plate 2 through a hinge, the other end of the swing rod 30 is abutted to the driving shaft of the trimming electromagnet 7, a sliding block on a trimming cam crank is connected to one end of the driving shaft, and a trimming cam is sleeved on a lower shaft. When the thread needs to be cut, the thread cutting cam is in contact with the roller on the thread cutting cam crank, one end of the thread cutting crank is connected with the other end of the driving shaft, the other end of the thread cutting crank is connected with one end of a thread cutting connecting rod, the other end of the thread cutting connecting rod is connected with a moving knife rest, a first blade is arranged on the moving knife rest, a second blade is arranged on a bottom plate of the shell, and the first blade and the second blade are meshed to finish the thread cutting action when the thread needs to be cut. In addition, the thread trimming cam crank can also be directly sleeved on a driving shaft of the thread trimming electromagnet (namely the driver II) (the swinging rod and the related connection relation are omitted), and the thread trimming device can also be in other thread trimming structures.
the specific steps of this example are as follows:
A. the controller sends out a thread trimming instruction;
B. the controller controls the electromagnet assembly 10 to move, the electromagnet assembly 10 is started, the electromagnet core 12 extends outwards to drive the ejector pin 9 to move rightwards, the connecting rod I1 is driven to rotate, after the connecting rod I rotates to a certain angle, the other end of the connecting rod I1 abuts against the limiting pin 16 or abuts against the backstitch electromagnet core sleeve 18 and interacts with the backstitch electromagnet core sleeve to enable the backstitch electromagnet core 14 to retract inwards, the connecting rod II 3 is connected to the backstitch electromagnet core 14 and accordingly drives the connecting rod II 3 to move, the connecting rod II 3 drives the automatic backstepping crank 4, then the automatic backstepping pull rod 5 acts on the swinging plate seat 6 to control the needle pitch through the swinging plate seat 6, and the subsequent needle pitch is changed into a small needle pitch (including any value of the needle pitch and a negative value of the needle pitch, and the negative value of the needle pitch is reverse sewing) preset when the electromagnet assembly;
C. The sewing machine operates the needle number set by the controller again;
D. The controller controls the thread trimming electromagnet assembly 7 to perform thread trimming action, so that the thread trimming effect is achieved;
The controller controls the thread cutting electromagnet 7 to stop thread cutting, then controls the electromagnet assembly 10 to stop acting, and the first connecting rod 1 automatically resets.
example two: the structure of the embodiment is the same, but the close-seam method is different, and the difference is that: this embodiment is a method in which two drivers do not operate simultaneously:
As shown in fig. 1-5. The specific steps of this example are as follows:
A. The controller sends out a thread trimming instruction;
B. The controller controls the electromagnet assembly 10 to move, drives the first connecting rod 1 to rotate, further drives the second connecting rod 3 to move to a specified position, and keeps acting;
C. The sewing machine operates the needle number set by the controller again;
The controller controls the electromagnet assembly 10 to stop acting;
D. The controller controls the thread trimming electromagnet 7 to perform thread trimming.
Example three: the difference between the embodiment and the first embodiment is the close-seam structure, which further results in the difference of the close-seam method:
the tight seam structure of this embodiment is as follows:
As shown in fig. 6 and 7. The close sewing device comprises a first crank 23 connected to a first driver, the first crank 23 is connected with a second crank 25 through a third connecting rod 24, the second crank 25 is connected to a feeding shaft 26, a tooth frame 28 is connected to the feeding shaft 26 through a tooth frame seat 27, the first driver drives the first crank 23, the third connecting rod 24 and the second crank 25 to control the feeding shaft 26 to rotate during normal sewing, and the feeding shaft 26 controls the tooth frame 28 to move through the tooth frame seat 27 so as to control the needle pitch during sewing. When the close sewing is needed, the controller controls the driver to stop feeding or carry out micro feeding to achieve the purpose of controlling the needle pitch during sewing. In this embodiment, the driver is a motor or a rotary electromagnet. The stepping motor 29 is used in this embodiment.
the specific steps of this example are as follows:
A. The controller sends out a thread trimming instruction;
B. the controller controls the feeding stepping motor 29 to stop feeding or carry out micro feeding to achieve the purpose of controlling the needle pitch; the stitch length at this time is a small stitch length (an arbitrary value including 0 stitch length and a negative value stitch length, and the negative value stitch length is reverse sewing);
C. The sewing machine operates the needle number set by the controller again;
D. the controller controls the thread trimming electromagnet 7 to perform thread trimming.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. A close sewing method of a sewing machine is characterized in that: the method comprises the following steps:
A. Sending out a thread trimming instruction by a controller;
B. The controller controls a driver to act to drive the sealing device to act;
C. the sewing machine runs and carries out close sewing by the needle number set by the controller;
D. The controller controls the second driver to act so as to drive the thread trimming device to finish the thread trimming action;
The seam sealing device comprises a first connecting rod (1), the first connecting rod (1) is rotatably connected to a bottom plate (2) of the shell, one end of the first connecting rod (1) is connected with a movable part of the first driver, the other end of the first connecting rod is connected with a movable part of the third driver, the movable part of the third driver is also connected with a second connecting rod (3), and the first driver drives the first connecting rod (1) to rotate so as to drive the second connecting rod (3) to move to realize seam sealing;
or the close sewing device comprises a first crank (23) connected to a movable part of a first driver, the first crank (23) is connected with a second crank (25) through a third connecting rod (24), the second crank (25) is connected to a feeding shaft (26), a tooth frame (29) is further connected to the feeding shaft (26) through a tooth frame seat (27), the movable part of the first driver drives the first crank (23), the third connecting rod (24) and the second crank (25) to control the feeding shaft (26) to rotate during normal sewing, the feeding shaft (26) controls the tooth frame (29) to move through the tooth frame seat (27), and a controller controls the first driver to stop feeding or carry out micro feeding when close sewing is needed, and the first driver is arranged close to the feeding shaft.
2. A close-sewing method of a sewing machine according to claim 1, characterized in that: the action of the driver I in the step B is stopped after the thread trimming action is finished in the step D;
Or: and the action of the first driver in the step B is stopped after the step C completes the close joint.
3. A close-sewing method of a sewing machine according to claim 1, characterized in that: the first connecting rod (1) is connected to the bottom plate (2) of the shell through a shaft position screw, and the first connecting rod (1) can rotate around the shaft position screw.
4. A close-sewing method of a sewing machine according to claim 1 or 3, characterized in that: and a movable part of the first driver is provided with a top pin (9), the top pin (9) is abutted against one end of the first connecting rod (1), and the movable part of the first driver drives the first connecting rod (1) to rotate.
5. A close-sewing method of a sewing machine according to claim 3, characterized in that: the shaft position screw is sleeved with a torsion spring (15), rotating arms of the torsion spring (15) are respectively connected to the first connecting rod (1) and the bottom plate (2) of the machine shell, and the torsion spring (15) drives the first connecting rod (1) to automatically reset.
6. A close-sewing method of a sewing machine according to claim 1, characterized in that: a limiting pin (16) is arranged at one end, close to the driver III, of the connecting rod II (3), and the other end of the connecting rod I (1) is abutted against and interacts with the limiting pin (16);
or: and the outer end of the movable part of the third driver is provided with an outer sleeve, and the other end of the first connecting rod (1) is abutted against and interacted with the outer sleeve.
7. A close-sewing method of a sewing machine according to claim 1, characterized in that: the first driver and the second driver are electromagnets or air cylinders.
8. A close-sewing method of a sewing machine according to claim 1, characterized in that: the drive is a motor or a rotary electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210597.8A CN106835531B (en) | 2016-12-24 | 2016-12-24 | Close sewing method of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210597.8A CN106835531B (en) | 2016-12-24 | 2016-12-24 | Close sewing method of sewing machine |
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| Publication Number | Publication Date |
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| CN106835531A CN106835531A (en) | 2017-06-13 |
| CN106835531B true CN106835531B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611210597.8A Active CN106835531B (en) | 2016-12-24 | 2016-12-24 | Close sewing method of sewing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019054902A (en) * | 2017-09-20 | 2019-04-11 | Juki株式会社 | sewing machine |
| CN109295623B (en) * | 2018-12-04 | 2020-12-25 | 浙江海洋大学 | Sewing machine |
| CN111501225B (en) * | 2019-01-31 | 2022-01-04 | 浙江杰克智能缝制科技有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501224B (en) * | 2019-01-31 | 2021-11-09 | 杰克缝纫机股份有限公司 | Method for thread trimming, presser foot lifting and needle stitch sealing of sewing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201473717U (en) * | 2009-06-16 | 2010-05-19 | 浙江恒一科技有限公司 | Feed-lifting feeding and stitch-length adjusting device for sewing machine |
| CN103088563A (en) * | 2013-01-17 | 2013-05-08 | 新杰克缝纫机股份有限公司 | Method and device for shortening flat sewing machine trimmed thread |
| CN203049236U (en) * | 2013-01-17 | 2013-07-10 | 新杰克缝纫机股份有限公司 | Device shortening lockstitch sewing machine trimmed thread |
| CN204644610U (en) * | 2015-05-18 | 2015-09-16 | 浙江美机缝纫机有限公司 | Needle gage automatic adjusting mechanism |
| CN105177870A (en) * | 2015-09-30 | 2015-12-23 | 杰克缝纫机股份有限公司 | Tooth lifting mechanism of sewing machine |
| JP5925603B2 (en) * | 2012-05-31 | 2016-05-25 | Juki株式会社 | sewing machine |
-
2016
- 2016-12-24 CN CN201611210597.8A patent/CN106835531B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201473717U (en) * | 2009-06-16 | 2010-05-19 | 浙江恒一科技有限公司 | Feed-lifting feeding and stitch-length adjusting device for sewing machine |
| JP5925603B2 (en) * | 2012-05-31 | 2016-05-25 | Juki株式会社 | sewing machine |
| CN103088563A (en) * | 2013-01-17 | 2013-05-08 | 新杰克缝纫机股份有限公司 | Method and device for shortening flat sewing machine trimmed thread |
| CN203049236U (en) * | 2013-01-17 | 2013-07-10 | 新杰克缝纫机股份有限公司 | Device shortening lockstitch sewing machine trimmed thread |
| CN204644610U (en) * | 2015-05-18 | 2015-09-16 | 浙江美机缝纫机有限公司 | Needle gage automatic adjusting mechanism |
| CN105177870A (en) * | 2015-09-30 | 2015-12-23 | 杰克缝纫机股份有限公司 | Tooth lifting mechanism of sewing machine |
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| CN106835531A (en) | 2017-06-13 |
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Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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