CN109537181B - Feed dog inclination angle adjusting mechanism and sewing machine - Google Patents
Feed dog inclination angle adjusting mechanism and sewing machine Download PDFInfo
- Publication number
- CN109537181B CN109537181B CN201811375871.6A CN201811375871A CN109537181B CN 109537181 B CN109537181 B CN 109537181B CN 201811375871 A CN201811375871 A CN 201811375871A CN 109537181 B CN109537181 B CN 109537181B
- Authority
- CN
- China
- Prior art keywords
- shaft
- feed dog
- connecting rod
- sewing machine
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
- D05B69/04—Manual drives
Abstract
The invention provides a feed dog inclination angle adjusting mechanism which comprises a tooth frame, a feed dog arranged at one end of the tooth frame, a sliding block in sliding fit with the other end of the tooth frame, and an eccentric shaft, wherein the eccentric shaft is provided with a first shaft part and a second shaft part which are eccentrically arranged, and the first shaft part is rotatably arranged in the sliding block in a penetrating way; the sewing machine further comprises an adjusting shaft which is rotatably arranged in the sewing machine shell, one end of the adjusting shaft is provided with a rotating operation part positioned outside the shell, and the other end of the adjusting shaft is connected with a second shaft part of the eccentric shaft through a transmission assembly; when the rotating operation part of the adjusting shaft is rotated, the adjusting shaft drives the second shaft part of the eccentric shaft to rotate through the transmission assembly. In this application, can drive the eccentric shaft through the rotation operation portion that rotates the regulating spindle and rotate to adjust the inclination of feed dog, because the rotation operation portion of regulating spindle is located the casing outside, so need not open when the operation sew up the platform, unscrew operations such as fixing bolt, only need directly make rotate operation portion rotate can, the operation is very convenient, high-efficient.
Description
Technical Field
The invention relates to a tilt angle adjusting mechanism of a feed dog.
The invention also relates to a sewing machine comprising the feed dog inclination angle adjusting mechanism.
Background
At present, sewing to different fabrics in the sewing operation process, the inclination angle of a cloth feeding tooth may need to be adjusted to achieve stable and excellent sewing effect, for example: the thin material is not wrinkled, the thick material cloth feeding efficiency is high, and the like. The conventional feed dog tilting angle adjusting mechanism is constructed as shown in fig. 1 and 2, and has a feed dog 200 swingable around a main shaft 100 in a sewing machine, a feed dog 300 fixedly installed at a rear end of the feed dog 200, a slider 400 slidably engaged with a front end of the feed dog 200, and an eccentric shaft 600 rotatably installed inside a housing 500 of the sewing machine, the eccentric shaft 600 having a first shaft portion engaged with the housing 500 and a second shaft portion engaged with the slider 400, the first shaft portion and the second shaft portion being eccentrically disposed. Since the eccentric shaft 600 is installed inside the cabinet 500, the steps of adjusting the inclination angle of the feed dog using the above-described feed dog inclination angle adjusting mechanism are sequentially: 1. opening a sewing table 700 of the sewing machine; 2. loosening the fixing screw 800; 3. rotating the first shaft portion of the eccentric shaft 600, changing the position of the slider 400 in the up-down direction, that is, changing the position of the front end of the dental articulator 200 in the up-down direction, by the eccentric structure of the first shaft portion and the second shaft portion, so that the dental articulator 200 swings around the main shaft 100, thereby adjusting the inclination angle of the feed dog 300 fixed to the rear end of the dental articulator 200; 4. tightening the fixing screw 800; 5. the sewing table 700 of the sewing machine is closed. Therefore, as can be seen from the above: at present, the process of adjusting the inclination angle of the feed dog is relatively complicated and inconvenient to operate.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a feed dog inclination angle adjustment mechanism that quickly and conveniently adjusts an inclination angle of a feed dog.
In order to achieve the purpose, the invention provides a feed dog inclination angle adjusting mechanism which comprises a tooth frame, a feed dog arranged at one end of the tooth frame, a sliding block in sliding fit with the other end of the tooth frame, and an eccentric shaft, wherein the eccentric shaft is provided with a first shaft part and a second shaft part which are eccentrically arranged, and the first shaft part is rotatably arranged in the sliding block in a penetrating way; the sewing machine further comprises an adjusting shaft which is rotatably arranged in the sewing machine shell, one end of the adjusting shaft is provided with a rotating operation part positioned outside the shell, and the other end of the adjusting shaft is connected with a second shaft part of the eccentric shaft through a transmission assembly; when the rotating operation part of the adjusting shaft is rotated, the adjusting shaft drives the second shaft part of the eccentric shaft to rotate through the transmission assembly.
Furthermore, the transmission assembly comprises a crank, a connecting rod and a bracket fixed on the casing, one end of the crank is in threaded connection with the adjusting shaft, the other end of the crank is rotatably sleeved on the periphery of the second shaft part in the eccentric shaft, one end of the connecting rod is hinged to the bracket, and the other end of the connecting rod is rotatably sleeved on the periphery of the first shaft part in the eccentric shaft.
Further, the connecting rod comprises a connecting rod body portion extending along the axial direction of the eccentric shaft and connecting rod arm portions extending from two ends of the connecting rod body portion, the connecting rod body portion is hinged to the support through a pin, the two connecting rod arm portions are respectively arranged on two sides of the sliding block, and one end, far away from the connecting rod body portion, of each connecting rod arm portion is rotatably sleeved on the periphery of the first shaft portion in the eccentric shaft.
Furthermore, threaded connection has lock nut on the regulating spindle, lock nut is located the casing outside, and can with the casing butt.
Further, the feed dog inclination angle adjusting mechanism further comprises a shaft sleeve fixed in the sewing machine shell and a check ring fixed on the adjusting shaft, a shaft shoulder portion arranged opposite to the check ring is arranged on the adjusting shaft, the adjusting shaft is rotatably arranged in the shaft sleeve in a penetrating mode, and two ends of the shaft sleeve are respectively abutted to the shaft shoulder portion of the adjusting shaft and the check ring.
Further, the shaft sleeve is a copper sleeve.
Further, the tooth frame comprises a main cloth feeding tooth frame and a differential cloth feeding tooth frame, the cloth feeding teeth comprise main cloth feeding teeth fixed on the main cloth feeding tooth frame and differential cloth feeding teeth fixed on the differential cloth feeding tooth frame, and the main cloth feeding tooth frame and the differential cloth feeding tooth frame are in sliding fit with the sliding block.
The invention also provides a sewing machine, and the feed dog inclination angle adjusting mechanism is arranged in the sewing machine.
As described above, the feed dog inclination angle adjusting mechanism and the sewing machine according to the present invention have the following advantageous effects:
in this application, can drive the eccentric shaft through the rotation operation portion that rotates the regulating spindle and rotate to adjust the inclination of feed dog, because the rotation operation portion of regulating spindle is located the casing outside, so need not open when the operation sew up the platform, unscrew operations such as fixing bolt, only need directly make rotate operation portion rotate can, the operation is very convenient, high-efficient.
Drawings
Fig. 1 is a schematic view showing a structure of a sewing machine in the prior art.
Fig. 2 is a schematic structural view of a feed dog inclination angle adjusting mechanism in fig. 1.
Fig. 3 is a schematic structural diagram of a feed dog inclination angle adjusting mechanism in the present application.
Fig. 4 is a schematic structural view of fig. 3 without the housing.
Fig. 5 and 6 are schematic structural views of the transmission assembly in the present application.
Fig. 7 is a schematic view of the connection between the adjustment shaft, the sleeve, the retainer ring and the lock nut of the present application.
Description of the element reference numerals
1 case
2 dental articulator
21 main feed dog frame
22 differential feed dog frame
3 feed dog
31 main feed dog
32 differential feed dog
4 sliding block
5 eccentric shaft
51 first shaft part
52 second shaft part
6 adjusting shaft
61 rotating operation part
62 shaft shoulder
7 crank
8 connecting rod
81 connecting rod body part
82 link arm
9 support
10 pin
11 lock nut
12 shaft sleeve
13 retainer ring
14 spindle
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather by the claims. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof may be made without substantial technical changes and modifications.
The application provides a sewing machine, install feed dog inclination adjustment mechanism in this sewing machine for adjust feed dog 3's inclination. For convenience of description, in the following embodiments, the axial direction of the main shaft 14 in the sewing machine is defined as a left-right direction, and a direction toward the head is a left direction and a direction toward the tail is a right direction; the cloth feeding direction of the feed dog 3 in the sewing machine is defined as a front direction.
As shown in fig. 3 and 4, the feed dog inclination angle adjusting mechanism provided by the present application comprises a feed dog 2 capable of swinging around a main shaft 14 in a sewing machine, a feed dog 3 installed at the rear end of the feed dog 2, a slide block 4 in sliding fit with the front end of the feed dog 2, an eccentric shaft 5 extending left and right, and an adjusting shaft 6 extending front and back; the eccentric shaft 5 has a first shaft part 51 and a second shaft part 52 which are eccentrically arranged, and the first shaft part 51 is connected to the right end of the second shaft part 52; the first shaft 51 is rotatably inserted into the slider 4; the adjusting shaft 6 is rotatably arranged in the sewing machine shell 1, and the adjusting shaft 6 is vertical to the main shaft 14; the front end of the adjusting shaft 6 has a rotation operation part 61 located outside the casing 1, and the rear end of the adjusting shaft 6 is connected with the second shaft part 52 of the eccentric shaft 5 through a transmission assembly. When the inclination angle of the feed dog 3 needs to be adjusted, the rotating operation part 61 of the adjusting shaft 6 is rotated, the adjusting shaft 6 drives the second shaft part 52 of the eccentric shaft 5 to rotate through the transmission assembly, the position of the first shaft part 51 in the vertical direction can be changed through the eccentric relation between the first shaft part 51 and the second shaft part 52 on the eccentric shaft 5, and then the positions of the slide block 4 and the front end of the tooth frame 2 in the vertical direction are changed, so that the tooth frame 2 rotates around the main shaft 14, and the inclination angle of the feed dog 3 installed at the rear end of the tooth frame 2 is changed. Because the rotation operation portion 61 of the front end of the adjusting shaft 6 is located outside the machine shell 1, the operation such as opening a sewing table and loosening a fixing bolt is not needed during the operation, and only the rotation operation portion 61 is directly rotated, so that the operation is very convenient and efficient, and the inclination angle of the feed dog 3 can be efficiently and conveniently adjusted.
As shown in fig. 3 and 4, the feed dog 2 includes a main feed dog 21 and a differential feed dog 22, the feed dog 3 includes a main feed dog 31 fixed to the rear end of the main feed dog 21 and a differential feed dog 32 fixed to the rear end of the differential feed dog 22, the front ends of the main feed dog 21 and the differential feed dog 22 are both slidably engaged with the slider 4, so that the front ends of the main feed dog 21 and the differential feed dog 22 are both provided with a slide groove extending forward and backward and accommodating the slider 4, and the slider 4 is in surface contact with the groove wall of the slide groove.
In this embodiment, the preferable structure of the transmission assembly is: as shown in fig. 5 and 6, the transmission assembly comprises a crank 7, a connecting rod 8 and a bracket 9 fixed to the casing 1 by screws; the lower end of the crank 7 is in threaded connection with the adjusting shaft 6, and the upper end of the crank 7 is rotatably sleeved on the periphery of the second shaft part 52 in the eccentric shaft 5, so that the crank 7 is hinged with the second shaft part 52 of the eccentric shaft 5; the upper end of the connecting rod 8 is hinged to the bracket 9, and the lower end of the connecting rod 8 is rotatably sleeved on the periphery of the first shaft part 51 of the eccentric shaft 5, so that the connecting rod 8 is hinged to the first shaft part 51 of the eccentric shaft 5. Further, the connecting rod 8 includes a connecting rod body portion 81 extending left and right in the axial direction of the eccentric shaft 5, and connecting rod arm portions 82 extending obliquely downward from both left and right ends of the connecting rod body portion 81, the connecting rod body portion 81 is hinged to the bracket 9 by the pin 10, the two connecting rod arm portions 82 are respectively provided on both left and right sides of the slider 4, and the lower ends of the connecting rod arm portions 82 away from the connecting rod body portion 81 are rotatably fitted around the outer periphery of the first shaft portion 51 in the eccentric shaft 5. When the adjusting shaft 6 rotates in the machine shell 1, the crank 7 can be driven to move along the axial direction of the adjusting shaft 6 through the threaded connection between the adjusting shaft 6 and the crank 7, the second shaft part 52 of the eccentric shaft 5 is driven to rotate under the constraint action of the connecting rod 8, and the adjustment of the inclination angle of the feed dog 3 is realized.
Further, as shown in fig. 5 to 7, the cloth feeding dog inclination angle adjusting mechanism further includes a shaft sleeve 12 fixed in the sewing machine case 1 and a retainer ring 13 fixed to the adjusting shaft 6, the adjusting shaft 6 is provided with a shaft shoulder 62 opposite to the retainer ring 13, the adjusting shaft 6 is rotatably inserted into the shaft sleeve 12, the front end and the rear end of the shaft sleeve 12 are respectively abutted to the shaft shoulder 62 and the retainer ring 13 of the adjusting shaft 6, and the shaft sleeve 12, the shaft shoulder 62 of the adjusting shaft 6 and the retainer ring 13 form axial limit for the adjusting shaft 6, so that the adjusting shaft 6 can only rotate but cannot axially move. The sleeve 12 is preferably a copper sleeve. In addition, the adjusting shaft 6 is connected with a locking nut 11 through threads, and the locking nut 11 is positioned outside the machine shell 1 and can be abutted against the machine shell 1; when the inclination angle of the feed dog 3 is adjusted, the lock nut 11 is unscrewed; after the inclination angle adjustment of the feed dog 3 is finished, the lock nut 11 is screwed down, so that the adjusting shaft 6 can be prevented from self-rotating in the sewing operation process of the sewing machine, namely: the position of the sliding block 4 in the vertical direction is not changed in the sewing operation process of the sewing machine, and the stability is improved. Meanwhile, the rotating operation part 61 of the adjusting shaft 6 is in a knob shape, the outer peripheral surface of the rotating operation part is provided with anti-skid lines, the adjusting shaft is adjusted in a knob type, the human engineering is met, and the operation is comfortable.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A feed dog inclination angle adjusting mechanism comprises a tooth frame (2), a feed dog (3) arranged at one end of the tooth frame (2), a sliding block (4) in sliding fit with the other end of the tooth frame (2), and an eccentric shaft (5), wherein the eccentric shaft (5) is provided with a first shaft part (51) and a second shaft part (52) which are eccentrically arranged, and the first shaft part (51) is rotatably arranged in the sliding block (4) in a penetrating way; the method is characterized in that: the sewing machine further comprises an adjusting shaft (6) which is rotatably arranged in the sewing machine shell (1), one end of the adjusting shaft (6) is provided with a rotating operation part (61) positioned outside the sewing machine shell (1), and the other end of the adjusting shaft (6) is connected with a second shaft part (52) of the eccentric shaft (5) through a transmission assembly; when the rotating operation part (61) of the adjusting shaft (6) is rotated, the adjusting shaft (6) drives the second shaft part (52) of the eccentric shaft (5) to rotate through a transmission assembly; the transmission component comprises a crank (7), a connecting rod (8) and a bracket (9) fixed on the machine shell (1), one end of the crank (7) is in threaded connection with the adjusting shaft (6), the other end is rotatably sleeved on the periphery of a second shaft part (52) in the eccentric shaft (5), one end of the connecting rod (8) is hinged with the bracket (9), the other end is rotatably sleeved on the periphery of the first shaft part (51) in the eccentric shaft (5), the connecting rod (8) comprises a connecting rod body part (81) extending along the axial direction of the eccentric shaft (5) and connecting rod arm parts (82) extending from two ends of the connecting rod body part (81), the connecting rod body part (81) is hinged with the bracket (9) through a pin (10), the two connecting rod arm parts (82) are respectively arranged at two sides of the sliding block (4), and one end of the connecting rod arm part (82) far away from the connecting rod body part (81) is rotatably sleeved on the periphery of the first shaft part (51) in the eccentric shaft (5).
2. The feed dog reclining mechanism according to claim 1, wherein: threaded connection has lock nut (11) on regulating spindle (6), lock nut (11) are located casing (1) outside, and can with casing (1) butt.
3. The feed dog reclining mechanism according to claim 1, wherein: still including fixing axle sleeve (12) in sewing machine casing (1) and retaining ring (13) that are fixed in regulating spindle (6), be equipped with shoulder (62) that set up with retaining ring (13) relatively on regulating spindle (6), regulating spindle (6) rotationally wear to establish in axle sleeve (12), the both ends of axle sleeve (12) respectively with shoulder (62) and retaining ring (13) butt of regulating spindle (6).
4. The feed dog tilting angle adjusting mechanism according to claim 3, characterized in that: the shaft sleeve (12) is a copper sleeve.
5. The feed dog reclining mechanism according to claim 1, wherein: the feed dog (3) comprises a main feed dog (31) fixed on the main feed dog (21) and a differential feed dog (32) fixed on the differential feed dog (22), and the main feed dog (21) and the differential feed dog (22) are in sliding fit with the sliding block (4).
6. A sewing machine characterized by: the sewing machine is provided with a feed dog inclination angle adjusting mechanism as set forth in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375871.6A CN109537181B (en) | 2018-11-19 | 2018-11-19 | Feed dog inclination angle adjusting mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375871.6A CN109537181B (en) | 2018-11-19 | 2018-11-19 | Feed dog inclination angle adjusting mechanism and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109537181A CN109537181A (en) | 2019-03-29 |
| CN109537181B true CN109537181B (en) | 2021-03-12 |
Family
ID=65848048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375871.6A Active CN109537181B (en) | 2018-11-19 | 2018-11-19 | Feed dog inclination angle adjusting mechanism and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109537181B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853631B (en) * | 2019-11-28 | 2022-07-05 | 杰克科技股份有限公司 | Flat seaming machine |
| CN113737400B (en) * | 2020-08-13 | 2022-07-22 | 杰克科技股份有限公司 | Cloth feeding tooth frame adjusting mechanism and overedger |
| CN115247325B (en) * | 2021-04-28 | 2023-06-20 | 杰克科技股份有限公司 | Adjusting device and sewing machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648579U (en) * | 1992-07-21 | 1994-07-05 | ジューキ株式会社 | Sewing machine feed dog device |
| CN2675706Y (en) * | 2004-03-05 | 2005-02-02 | 标准缝纫机菀坪机械有限公司 | Loosing prevention and locking apparatus for feed dog of arm-type sewing machine |
| CN101377036A (en) * | 2007-08-31 | 2009-03-04 | Juki株式会社 | Feed gear inclination adjusting device of sewing machine |
| CN203639673U (en) * | 2013-02-12 | 2014-06-11 | 飞马缝纫机制造株式会社 | Upward cloth feeding quantity adjusting mechanism of overlock sewing machine |
| CN204162890U (en) * | 2014-10-21 | 2015-02-18 | 杰克缝纫机股份有限公司 | The differential governor motion of knob |
| CN105088548A (en) * | 2015-09-30 | 2015-11-25 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
| CN205662696U (en) * | 2016-06-13 | 2016-10-26 | 浙江顺发衣车有限公司 | Upper and lower synchronous pay -off hemming machine feeding mechanism |
-
2018
- 2018-11-19 CN CN201811375871.6A patent/CN109537181B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648579U (en) * | 1992-07-21 | 1994-07-05 | ジューキ株式会社 | Sewing machine feed dog device |
| CN2675706Y (en) * | 2004-03-05 | 2005-02-02 | 标准缝纫机菀坪机械有限公司 | Loosing prevention and locking apparatus for feed dog of arm-type sewing machine |
| CN101377036A (en) * | 2007-08-31 | 2009-03-04 | Juki株式会社 | Feed gear inclination adjusting device of sewing machine |
| CN203639673U (en) * | 2013-02-12 | 2014-06-11 | 飞马缝纫机制造株式会社 | Upward cloth feeding quantity adjusting mechanism of overlock sewing machine |
| CN204162890U (en) * | 2014-10-21 | 2015-02-18 | 杰克缝纫机股份有限公司 | The differential governor motion of knob |
| CN105088548A (en) * | 2015-09-30 | 2015-11-25 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
| CN205662696U (en) * | 2016-06-13 | 2016-10-26 | 浙江顺发衣车有限公司 | Upper and lower synchronous pay -off hemming machine feeding mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109537181A (en) | 2019-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109537181B (en) | Feed dog inclination angle adjusting mechanism and sewing machine | |
| CN107447377B (en) | Sewing machine | |
| US5829499A (en) | Wood planing machine | |
| CN112048838A (en) | Sewing machine | |
| CN107761258B (en) | Cloth feeding adjusting mechanism of sewing machine | |
| JP4187439B2 (en) | Headrest device | |
| CN106691536A (en) | Tibia intramedullary positioner | |
| CN218363835U (en) | Clamping arm for processing after forming of false teeth | |
| CN101240483B (en) | Sewing machine | |
| KR100665395B1 (en) | Device for adjusting feed amount of clothing in sewing machine | |
| CN211689459U (en) | Feeding mechanism of sewing machine and sewing machine | |
| CN214736549U (en) | Sewing machine | |
| CN211394868U (en) | Mechanism for adjusting cloth feeding amount on overedger | |
| JPS6330391Y2 (en) | ||
| CN208050943U (en) | A kind of lathe saddle of anticollision knife | |
| CN106149214B (en) | Differential adjusting mechanism | |
| CN209629297U (en) | Height-adjustable pillow | |
| CN110541249A (en) | mechanism for adjusting cloth feeding amount on overedger | |
| CN210420452U (en) | Upper differential knob adjusting mechanism and sewing machine | |
| CN212611264U (en) | Roller machine needle pitch adjusting mechanism and roller machine | |
| JP4406505B2 (en) | Sewing machine feed amount adjustment device | |
| CN220812866U (en) | Needle pitch adjusting mechanism of overedger | |
| CN106963622B (en) | A kind of wearable waist massage device | |
| CN218969523U (en) | Feeding device and sewing machine | |
| CN209836539U (en) | Portable sewing machine shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 318010 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. |
|
| CP03 | Change of name, title or address |