CN103993434B - A kind of Sewing machines trimming driving mechanism - Google Patents
A kind of Sewing machines trimming driving mechanism Download PDFInfo
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- CN103993434B CN103993434B CN201410245745.4A CN201410245745A CN103993434B CN 103993434 B CN103993434 B CN 103993434B CN 201410245745 A CN201410245745 A CN 201410245745A CN 103993434 B CN103993434 B CN 103993434B
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Abstract
The invention provides a kind of Sewing machines trimming driving mechanism, comprise trimming cutterhead, loose ends crank, the first guide pad, the second guide pad, the first connecting plate, the second connecting plate, pendulum plate, the axis of guide, trimming driver and driver installing plate; The housing of Sewing machines comprises upper shell and bottom shell, trimming driver is fixed on the outer wall of the bottom shell in trimming cutterhead dead ahead by driver installing plate, the housing upper end of trimming driver is provided with support, the axis of guide is supported by support, make the axis of guide be positioned at the top of the telescopic shaft of trimming driver and parallel with this telescopic shaft, axis of guide one end and telescopic shaft outer end are all fixed with the first connecting plate; First, second guide pad is all fixed by securing member and the axis of guide; First guide pad is connected with trimming cutterhead by the second connecting plate; Second guide pad is connected with loose ends crank by pendulum plate.The present invention avoids oil filter in the installation site of Sewing machines, make Sewing machines be convenient to safeguard, and thread trimming stability is good.
Description
Technical field
The present invention relates to technical field of sewing equipment, particularly relate to a kind of Sewing machines trimming driving mechanism.
Background technology
Along with the develop rapidly of science and technology, the mechanization degree that clothes manufacture is more and more higher, and in clothes making technology for making field, the sewing device based on Sewing machines is very many, such as flat seam machine, overlock machine, flat seaming machine etc.
The stitching that flat seaming machine is made is chain type sewing thread trace, and what this stitching was used for knitwear rolls neck, rolling, edging, flat-seam, splicing seams and edging etc., is the sewing device of large-scale clothing factory indispensability.
The trimming driving mechanism volume of the flat seaming machine of prior art is very large, the installing space taken is large, it is installed on the outside of the oil filter of flat seaming machine, Sewing machines oil filter and filter head are just blocked, when the oil filter of flat seaming machine need to safeguard, change time, first trimming driving mechanism must be pulled down and just can carry out, thus bring inconvenience on the one hand the maintenance of the oil filter of user and replacing, the repetition dismounting of trimming driving mechanism also can cause subsequent installation position to depart from relative to first holding position on the other hand, produce change in location, and then have influence on the stability of trimming.
In addition, the trimming driving mechanism of the flat seaming machine of prior art is because volume is very large, complex structure, and the financial cost of its parts is also higher, thus the deployment cost of trimming driving mechanism is high, and the production cost of flat seaming machine is high.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem to be solved in the present invention is to provide that a kind of structure is simple, compact, the dismounting not affecting flat seaming machine oil filter, Sewing machines trimming driving mechanism that thread trimming stability is good, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the invention provides a kind of Sewing machines trimming driving mechanism, the housing of described Sewing machines comprises upper shell and bottom shell, and described trimming driving mechanism comprises trimming cutterhead, loose ends crank, the first guide pad, the second guide pad, the first connecting plate, the second connecting plate, pendulum plate, the axis of guide, trimming driver and driver installing plate;
Described trimming driver is fixed by driver installing plate and described bottom shell, makes described trimming driver be positioned at the outside of the bottom shell below described trimming cutterhead;
The housing upper end of described trimming driver is provided with axis of guide support, the described axis of guide is supported by described axis of guide support, make the described axis of guide be positioned at the top of the telescopic shaft of described trimming driver and parallel with described telescopic shaft, one end of the described axis of guide is connected by described first connecting plate with the outer end of the telescopic shaft of described trimming driver;
Described pendulum plate comprises fixed arm and loose ends crank arm-tie, and described fixed arm is stepped, and described loose ends crank arm-tie connects the upper end of described fixed arm, and described loose ends crank arm-tie is vertical with described fixed arm;
Described first guide pad and the second guide pad are all fixed by securing member and the described axis of guide, and described first guide pad is connected with described trimming cutterhead by described second connecting plate; Described second guide pad is connected with described loose ends crank by described pendulum plate.
Preferably, described trimming driver comprises electromagnet and is located at the iron core of electromagnet endoporus, the telescopic shaft of described iron core and described trimming driver.
Preferably, the described axis of guide is provided with a back-moving spring and a spring base, and described spring base is fixed as one by securing member and the described axis of guide, and described back-moving spring is between described spring base and described axis of guide support.
Preferably, described axis of guide support comprises the first support and the second support, and described first support and the second support lay respectively at the housing of described trimming driver at the two ends of telescopic shaft axis, and described back-moving spring is between described spring base and described second support.
Preferably, described first guide pad and described trimming cutterhead are hinged with the two ends of described second connecting plate respectively; The fixed arm of described second guide pad and described pendulum plate is fixed, and the loose ends crank arm-tie of described loose ends crank and described pendulum plate is slidably connected.
As mentioned above, a kind of Sewing machines trimming driving mechanism of the present invention, has following beneficial effect:
1, simple, the compact of structure, the financial cost of each parts is low, thus production cost is low, and the installation site on Sewing machines avoids oil filter and filter head, thus do not affect the dismounting of Sewing machines oil filter, Sewing machines is made to be convenient to safeguard, and Stability Analysis of Structures, make the thread trimming stability of Sewing machines good.
2, trimming driver adopts electromagnet structure, makes trimming action of the present invention quick, accurate, reliable and stable.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of Sewing machines trimming driving mechanism of the present invention.
Element numbers explanation
1 trimming cutterhead 1a bearing pin
2 loose ends crank 2a bearing pins
3 first guide pad 4 second guide pads
5 first connecting plate 6 second connecting plates
7 pendulum plate 7a fixed arms
7b loose ends crank arm-tie 7c long lumbar hole
8 axis of guide 9 driver installing plates
The telescopic shaft of 10 trimming driver 10a trimming drivers
11 bottom shell 12 filter heads
13 first support 14 second supports
15 back-moving spring 16 spring bases
17 important actors
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
In view of the flat seaming machine trimming driving mechanism structure of prior art is complicated, volume is large, it is large to take installing space, not only production cost is high, and be installed on the outside of flat seaming machine oil filter because of it, Sewing machines oil filter is just blocked, cause oil filter when safeguarding, changing, first trimming driving mechanism must be pulled down and just can carry out; Safeguard and change on the one hand the oil filter of user to bring inconvenience, the repetition dismounting of trimming driving mechanism also can cause subsequent installation position to depart from relative to first holding position on the other hand, produces change in location, and then has influence on the stability of trimming.The present inventor designs that a kind of structure is simple, the Sewing machines trimming driving mechanism of compact, not only production cost is low, and make its installation site on Sewing machines avoid oil filter, thus do not affect the dismounting of Sewing machines oil filter, Sewing machines is made to be convenient to safeguard, and Stability Analysis of Structures, make the thread trimming stability of Sewing machines good.
Below, will be described in detail to Sewing machines trimming driving mechanism of the present invention by specific embodiment.
As shown in Figure 1, a kind of Sewing machines trimming driving mechanism, comprises trimming cutterhead 1, loose ends crank 2, first guide pad 3, second guide pad 4, first connecting plate 5, second connecting plate 6, pendulum plate 7, the axis of guide 8, trimming driver 10 and driver installing plate 9.
The housing of described Sewing machines comprises upper shell (not shown) and bottom shell 11, and described upper shell comprises head section, head bracketed part and supports the important actor 17 of described head section and head bracketed part.
Described trimming driver 10 is fixed by driver installing plate 9 and described bottom shell 11, makes described trimming driver 10 be positioned at the outside of the bottom shell 11 below described trimming cutterhead 1.
The housing upper end of described trimming driver 10 is provided with axis of guide support, the described axis of guide 8 is supported by described axis of guide support, make the described axis of guide 8 be positioned at the top of the telescopic shaft 10a of described trimming driver and parallel with described telescopic shaft 10a, and the length direction of the length direction of the described axis of guide 8 and described telescopic shaft 10a is overlapped.One end of the described axis of guide 8 is connected by described first connecting plate 5 with the outer end of the telescopic shaft 10a of described trimming driver.
Described axis of guide support comprises the first support 13 and the second support 14, and two stands lays respectively at the housing of described trimming driver 10 at the two ends of telescopic shaft 10a axis.
Described pendulum plate 7 comprises fixed arm 7a and loose ends crank arm-tie 7b, and described fixed arm 7a is stepped, and described loose ends crank arm-tie 7b connects the upper end of described fixed arm 7a, and described loose ends crank arm-tie 7b is vertical with described fixed arm 7a.
Described first guide pad 3 and the second guide pad 4 are all fixed by securing member and the described axis of guide 8, and described first guide pad 3 is connected with described trimming cutterhead 1 by described second connecting plate 6; Described second guide pad 4 is connected with described loose ends crank 2 by described pendulum plate 7.
Because described first guide pad 3 does rectilinear motion under the drive of the described axis of guide 8, and described trimming cutterhead 1 rotates around a certain fulcrum, so preferably, described first guide pad 3, trimming cutterhead 1 are undertaken hinged with the two ends of described second connecting plate 6 by bearing pin 1a respectively; First guide pad 3 and the second connecting plate 6 can certainly be fixed, the mode making trimming cutterhead 1 and the second connecting plate 6 adopt bearing pin to coordinate with long lumbar hole realizes being slidably connected; As long as described first guide pad 3 can be made in a word to drive the fulcrum of described trimming cutterhead 1 successfully on cutterhead.
Because described pendulum plate 7 does rectilinear motion under the drive of the described axis of guide 8, thus drive described loose ends crank 2 to rotate around a certain fulcrum, so, preferably, described pendulum plate 7 is realized by such structure with the connection of described loose ends crank 2: the end of the loose ends crank arm-tie 7b of described pendulum plate is provided with long lumbar hole 7c, axial vertical also with the described axis of guide 8 of the length direction of this long lumbar hole 7c, described loose ends crank 2 is provided with bearing pin 2a, described bearing pin 2a coordinates with the long lumbar hole 7c of described pendulum plate 7, thus realize the connection of described pendulum plate 7 and described loose ends crank 2.Certainly, also long lumbar hole 7c can being located on described loose ends crank 2, described bearing pin 2a being located at the end of the loose ends crank arm-tie 7b of described pendulum plate, as long as can ensure between described loose ends crank 2 and described pendulum plate 7 as being slidably connected.
As shown in Figure 1, because the oil filter (not shown) of Sewing machines is located at the below of the important actor 17 supporting sewing machine head and head cantilever, namely be positioned at one end of the close described important actor 17 of described bottom shell 11, described filter head 12 is arranged on the outside of the bottom shell 11 below described important actor; The below of head cantilever is then located at by trimming cutterhead 1, visible, and the installation site of the present invention on Sewing machines avoids oil filter, thus does not affect the dismounting of Sewing machines oil filter, makes Sewing machines be convenient to safeguard, and Stability Analysis of Structures, make the thread trimming stability of Sewing machines good.The present invention not only can be used for flat seaming machine, solves the technical problem that prior art flat seaming machine oil filter is not easy to dismounting, also can be used for other Sewing machiness such as flat seam machine, overlock machine.
In order to ensure that Sewing machines trimming driving mechanism of the present invention is quick on the draw, trimming action is quick, accurate, reliable and stable, preferably, described trimming driver 10 comprises electromagnet and is located at the iron core of electromagnet endoporus, the telescopic shaft 10a of described iron core and described trimming driver 10.Certain described trimming driver 10 also can adopt hydraulic cylinder or cylinder, serves as telescopic shaft 10a by the piston rod of hydraulic cylinder or cylinder, the described axis of guide 8 can be driven equally to axially move, complete the trimming action of Sewing machines.
When described trimming driver 10 adopts electromagnet and be located at the form of iron core of electromagnet endoporus, in order to ensure after trimming action, the described axis of guide 8 can reset rapidly, timely, preferably, the described axis of guide 8 is provided with back-moving spring 15 and a spring base 16, described spring base 16 is fixed as one by securing member and the described axis of guide 8, and described back-moving spring 15 is between described spring base 16 and described second support 14.Described back-moving spring 15 is preferably stage clip.Certain described back-moving spring 15 also can adopt extension spring, when described back-moving spring 15 adopts extension spring, then described back-moving spring 15 should be located between described spring base 16 and described first support 13, and the two ends of described back-moving spring 15 should be connected with described spring base 16, described first support 13 respectively.
Frictional force suffered in the process moved axially to make the axis of guide 8 of Sewing machines trimming driving mechanism of the present invention is little, thus make that the present invention is not easy to wear, failure rate is low, long service life, be equipped with lubricant grease between the described axis of guide 8 and described first support 13, described second support 14.
In order to make Sewing machines trimming driving mechanism compact of the present invention, thus financial cost is low, preferably, described first guide pad 3 is positioned at the outside of described first support 13, described second guide pad 4 is positioned at the outside of described second support 14, the end winding support of described second guide pad 4 and the described axis of guide 8.
The operation principle of Sewing machines trimming driving mechanism of the present invention is: when not carrying out trimming action, described trimming driver 10 is in original state, now the telescopic shaft 10a of described trimming driver 10 is in the state of stretching out, adopt electromagnet for described trimming driver 10 and be located at the form of iron core of electromagnet endoporus, electromagnet is in power failure state, under the effect of described back-moving spring 15, described iron core stretches out described electromagnet; When needs carry out trimming action, the electric-control system of Sewing machines sends instruction, electromagnet is energized, then described iron core quick indentation under electromagnet magneticaction, the described axis of guide 8 is driven to axially move with equidirectional, and the described axis of guide 8 drives first guide pad 3 and second guide pad 4 synchronizing moving fixing with it, thus make described second connecting plate 6 promote described trimming cutterhead 1 to rotate, complete trimming action; Meanwhile, make described pendulum plate 7 promote described loose ends crank 2 and rotate, complete the loose ends action of Sewing machines; Back-moving spring 15, in the quick indentation process generation deformation of iron core, produces elastic potential energy.After trimming completes, electromagnet dead electricity, described back-moving spring 15 is when losing external force, and release elastic potential energy, drives the described axis of guide 8 to reset, wait for trimming action next time.
Because described first guide pad 3, second guide pad 4, spring base 16 are all fixed by securing member and the described axis of guide 8, therefore described first guide pad 3, second guide pad 4, spring base 16 all can adjust easily in the position of the described axis of guide 8.The deflection of back-moving spring 15 can be adjusted by adjustment spring base 16 in the position of the described axis of guide 8, namely can adjust the elastic potential energy that back-moving spring 15 produces in deformation process, thus the use under various different operating mode can be adapted to.By adjusting described first guide pad 3 in the position of the described axis of guide 8, the effect of the position of the fork of adjustment trimming cutterhead 1 can be played, thus facilitate the debugging of described trimming cutterhead 1.By adjusting described second guide pad 4 in the position of the described axis of guide 8, the effect of the amplitude of fluctuation of adjustment loose ends crank 2 can be played, thus facilitate the adjustment of the loose ends amount of Sewing machines in sewing process.Visible, Sewing machines trimming driving mechanism of the present invention is easy to adjust.
In sum, Sewing machines trimming driving mechanism of the present invention, structure is simple, compact, and the financial cost of each parts is low, thus production cost is low; Installation site on Sewing machines avoids oil filter, thus does not affect the dismounting of Sewing machines oil filter, makes Sewing machines be convenient to safeguard, and Stability Analysis of Structures, make the thread trimming stability of Sewing machines good.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (6)
1. a Sewing machines trimming driving mechanism, the housing of described Sewing machines comprises upper shell and bottom shell (11), it is characterized in that, described upper shell comprises head section, head bracketed part and supports the important actor (17) of described head section and head bracketed part, the oil filter of Sewing machines is positioned at one end of the close described important actor (17) of described bottom shell (11), and described filter head (12) is arranged on the outside of the bottom shell (11) below described important actor; Described trimming driving mechanism comprises trimming cutterhead (1), loose ends crank (2), the first guide pad (3), the second guide pad (4), the first connecting plate (5), the second connecting plate (6), pendulum plate (7), the axis of guide (8), trimming driver (10) and driver installing plate (9);
Described trimming driver (10) is fixed by driver installing plate (9) and described bottom shell (11), makes described trimming driver (10) be positioned at the outside of the bottom shell (11) of described trimming cutterhead (1) below;
The housing upper end of described trimming driver (10) is provided with axis of guide support, the described axis of guide (8) is supported by described axis of guide support, make the described axis of guide (8) be positioned at the top of the telescopic shaft (10a) of described trimming driver and parallel with described telescopic shaft (10a), one end of the described axis of guide (8) is connected by described first connecting plate (5) with the outer end of the telescopic shaft (10a) of described trimming driver;
Described pendulum plate (7) comprises fixed arm (7a) and loose ends crank arm-tie (7b), described fixed arm (7a) is for stepped, described loose ends crank arm-tie (7b) connects the upper end of described fixed arm (7a), and described loose ends crank arm-tie (7b) is vertical with described fixed arm (7a);
Described first guide pad (3) and the second guide pad (4) are all fixed by securing member and the described axis of guide (8), and described first guide pad (3) is connected with described trimming cutterhead (1) by described second connecting plate (6); Described second guide pad (4) is connected with described loose ends crank (2) by described pendulum plate (7).
2. Sewing machines trimming driving mechanism according to claim 1, it is characterized in that: described trimming driver (10) comprises electromagnet and is located at the iron core of electromagnet endoporus, the telescopic shaft (10a) of described iron core and described trimming driver.
3. Sewing machines trimming driving mechanism according to claim 2, it is characterized in that: the described axis of guide (8) is provided with a back-moving spring (15) and a spring base (16), described spring base (16) is fixed as one by securing member and the described axis of guide (8), and described back-moving spring (15) is positioned between described spring base (16) and described axis of guide support.
4. Sewing machines trimming driving mechanism according to claim 1 and 2, it is characterized in that: described axis of guide support comprises the first support (13) and the second support (14), described first support (13) and the second support (14) lay respectively at the housing of described trimming driver (10) at the two ends of telescopic shaft (10a) axis.
5. Sewing machines trimming driving mechanism according to claim 3, it is characterized in that: described axis of guide support comprises the first support (13) and the second support (14), described first support (13) and the second support (14) lay respectively at the housing of described trimming driver (10) at the two ends of telescopic shaft (10a) axis, and described back-moving spring (15) is positioned between described spring base (16) and described second support (14).
6. Sewing machines trimming driving mechanism according to claim 1, is characterized in that: described first guide pad (3) and described trimming cutterhead (1) are hinged with the two ends of described second connecting plate (6) respectively; Described second guide pad (4) is fixed with the fixed arm (7a) of described pendulum plate (7), and described loose ends crank (2) is slidably connected with the loose ends crank arm-tie (7b) of described pendulum plate (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410245745.4A CN103993434B (en) | 2014-06-05 | 2014-06-05 | A kind of Sewing machines trimming driving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245745.4A CN103993434B (en) | 2014-06-05 | 2014-06-05 | A kind of Sewing machines trimming driving mechanism |
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| CN103993434A CN103993434A (en) | 2014-08-20 |
| CN103993434B true CN103993434B (en) | 2016-03-16 |
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| CN201410245745.4A Active CN103993434B (en) | 2014-06-05 | 2014-06-05 | A kind of Sewing machines trimming driving mechanism |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630997B (en) * | 2015-03-07 | 2017-05-17 | 杰克缝纫机股份有限公司 | Built-in thread trimming electromagnet mechanism for sewing machine |
| CN105420948B (en) * | 2015-12-29 | 2019-07-09 | 杰克缝纫机股份有限公司 | A kind of thread cutting mechanism of sewing machine driving device |
| CN105970506B (en) * | 2016-06-07 | 2018-12-04 | 杰克缝纫机股份有限公司 | A kind of upper thread cutting mechanism of sewing machine |
| CN106443091A (en) * | 2016-12-17 | 2017-02-22 | 大连运明自动化技术有限公司 | Detecting probe bed jacking device |
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|---|---|---|---|---|
| CN2401575Y (en) * | 1999-09-14 | 2000-10-18 | 顾飞龙 | Sewing machine auxiliary tension releasing and connector thereof |
| CN201292453Y (en) * | 2008-10-24 | 2009-08-19 | 高林股份有限公司 | Electric-drive transmission mechanism for lower thread cutting device of sewing machine |
| CN101724995A (en) * | 2009-11-09 | 2010-06-09 | 顾飞龙 | Method and sewing machine device for shortening residual line tail of sewing workpiece |
| CN202415922U (en) * | 2011-09-06 | 2012-09-05 | 顾飞龙 | Stitch loosening control device for sewing machine |
| CN203878333U (en) * | 2014-06-05 | 2014-10-15 | 新杰克缝纫机股份有限公司 | Thread trimming driving mechanism for sewing machine |
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2014
- 2014-06-05 CN CN201410245745.4A patent/CN103993434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401575Y (en) * | 1999-09-14 | 2000-10-18 | 顾飞龙 | Sewing machine auxiliary tension releasing and connector thereof |
| CN201292453Y (en) * | 2008-10-24 | 2009-08-19 | 高林股份有限公司 | Electric-drive transmission mechanism for lower thread cutting device of sewing machine |
| CN101724995A (en) * | 2009-11-09 | 2010-06-09 | 顾飞龙 | Method and sewing machine device for shortening residual line tail of sewing workpiece |
| CN202415922U (en) * | 2011-09-06 | 2012-09-05 | 顾飞龙 | Stitch loosening control device for sewing machine |
| CN203878333U (en) * | 2014-06-05 | 2014-10-15 | 新杰克缝纫机股份有限公司 | Thread trimming driving mechanism for sewing machine |
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Address after: 318010 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Applicant after: JACK SEWING MACHINE CO., LTD. Address before: 318010 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Applicant before: New Jack Sewing Machine Co., Ltd. |
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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. |
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