CN107268202A - The thread cutting mechanism of sewing machine - Google Patents
The thread cutting mechanism of sewing machine Download PDFInfo
- Publication number
- CN107268202A CN107268202A CN201710686107.XA CN201710686107A CN107268202A CN 107268202 A CN107268202 A CN 107268202A CN 201710686107 A CN201710686107 A CN 201710686107A CN 107268202 A CN107268202 A CN 107268202A
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- China
- Prior art keywords
- hole
- knife rest
- rotating shaft
- connecting rod
- eccentric part
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a kind of thread cutting mechanism of sewing machine, belong to sewing machine technique field.It is difficult the problem of the occlusal position of movable blade one and movable blade two is adjusted that it, which solves existing thread cutting mechanism,.The thread cutting mechanism of this sewing machine, including the rotating shaft one being fixed on bottom plate and the rotating shaft two being be arranged in parallel with rotating shaft one, be arranged with rotating shaft one can around the shaft one rotation main carriage and auxiliary knife rest, main carriage is provided with movable blade one, auxiliary knife rest is provided with movable blade two, swing arm is fixed with rotating shaft two, connecting rod one is hinged with main carriage, connecting rod two is hinged with auxiliary knife rest, the free end of connecting rod one, the free end of connecting rod two and the free end three of swing arm are hinged by same jointed shaft, being provided between main carriage and auxiliary knife rest is used to adjust movable blade one and the adjustment structure of the occlusal position of movable blade two.The present invention have the advantages that it is simple in construction, easy to adjust, effectively improve trimming quality.
Description
Technical field
The invention belongs to sewing machine technique field, it is related to a kind of thread cutting mechanism of sewing machine.
Background technology
The trimming structure of existing sewing is located at a movable blade and stationary knife below needle plate and above rotating shuttle, and stationary knife is fixed on seam
Thread on machine matrix, movable blade is rotated by drive mechanism driving around lower axle, cut-out suture is engaged with stationary knife by movable blade.Sewing
The stitching of machine is mutually to be moved by eedle and rotating shuttle and formed, and in the case where ensureing normal sewing state, suture can not encounter thread trimmer
Mouthful, while the motion of eedle and rotating shuttle can not be influenceed, movable blade and stationary knife must just avoid moving part range of movement, and stationary knife is solid
Eedle center side is scheduled on, causes stationary knife and eedle center to leave a segment distance, the movable blade position overlapping with stationary knife blade
Put also just has a segment distance with eedle, and the overlapping position of blade also can the influence of a variety of causes such as Rig up error and become
Change, when needing trimming, drive movable blade to rotate by drive mechanism, realize that movable blade engages completion trimming with stationary knife, due to
There is safe distance in trimming position, cause the stub remained in after trimming on cloth longer, remain in cloth with needle plate hole
On long the end of a thread influence stitching aesthetics, so needing clothing factory workman subsequently to be trimmed to the end of a thread, add factory
Labour cost.
Therefore, Chinese patent discloses a kind of thread cutting mechanism of sewing machine [Publication No. CN105970507A], sewing machine
Casing in be provided with rotary shaft, thread cutting mechanism includes：It is arranged at main carriage, auxiliary tool head and drive mechanism in casing；Operator
Main movable blade is installed on frame；Auxiliary moving knife is installed on auxiliary tool head；The output end of drive mechanism and main crank and auxiliary are bent
Handle is connected, and main crank is connected with main carriage, and auxiliary crank is connected with auxiliary tool head；The output end reciprocating rotation of drive mechanism；Drive
Motivation structure drives main carriage around rotary shaft reciprocating rotation by main crank, and drive mechanism drives auxiliary tool head by auxiliary crank
Around rotary shaft reciprocating rotation, main movable blade is set to complete to close to cut with auxiliary moving knife move toward one another.
When being adjusted to the mechanism, by adjusting the angle between the body of main crank and the axis of main drive shaft
Degree, the angle between adjustment auxiliary crank and the axis of auxiliary drive shaft can make main movable blade cut position with closing for moving knife of auxiliary
Put the underface of the eedle in sewing machine.Except will to two in addition to place is adjusted, the body of main crank and whole auxiliary are bent
Handle also is located at mechanism higher depth, and it is very inconvenient to adjust.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of sewing machine easy to adjust
Thread cutting mechanism.
The purpose of the present invention can be realized by following technical proposal：
The thread cutting mechanism of this sewing machine, including the rotating shaft one being fixed on bottom plate and the rotating shaft being be arranged in parallel with rotating shaft one
Two, be arranged with described rotating shaft one can a rotation around the shaft main carriage and auxiliary knife rest, described main carriage is provided with activity
Knife one, described auxiliary knife rest is provided with movable blade two, described rotating shaft two and is fixed with swing arm, it is characterised in that described master
It is hinged with knife rest on connecting rod one, described auxiliary knife rest and is hinged with connecting rod two, the free end of the connecting rod one, the freedom of connecting rod two
The free end three of end and swing arm is hinged by same jointed shaft, and being provided between described main carriage and auxiliary knife rest is used for
Adjust movable blade one and the adjustment structure of the occlusal position of movable blade two.
In the thread cutting mechanism of above-mentioned sewing machine, described jointed shaft is cam pin, and described adjustment structure includes position
In on eccentric part one and eccentric part two on cam pin, the free end of the connecting rod one have through hole one, the connecting rod two from
There is through hole two on end, described eccentric part one coordinates in through hole one, described eccentric part two, which coordinates, is located at through hole two
Interior, described cam pin is fixed in swing arm by detachable member.
In the thread cutting mechanism of above-mentioned sewing machine, described detachable member includes the locking on swing arm free end
Hole, its inner screwed hole connected with locking hole and the lock-screw being threadedly connected in screwed hole, institute located at arm side wall
The cam pin stated is located in locking hole, and the inner of the lock-screw is resisted against on the side wall of cam pin.
In the thread cutting mechanism of above-mentioned sewing machine, described adjustment structure includes having eccentric part one and eccentric part thereon
Two cam pin, cam pin is parallel with rotating shaft one, and described connecting rod one has through hole three, described master close to one end of main carriage
There is through hole four, described eccentric part one coordinates in through hole three on knife rest, described eccentric part two, which coordinates, is located at through hole four
Interior, described cam pin is fixed on main carriage by detachable member one.
In the thread cutting mechanism of above-mentioned sewing machine, described detachable member one includes its inner on main carriage
The screwed hole one connected with through hole four and the lock-screw one being threaded in screwed hole one, the inner of the lock-screw one
It is resisted against on eccentric part two.
In the thread cutting mechanism of above-mentioned sewing machine, described adjustment structure includes having eccentric part one and eccentric part thereon
Two cam pin, cam pin is parallel with rotating shaft one, and described connecting rod two has through hole five close to one end of auxiliary knife rest, and described is auxiliary
There is through hole six, described eccentric part one coordinates in through hole five on knife rest, described eccentric part two, which coordinates, is located at through hole six
Interior, described cam pin is fixed on auxiliary knife rest by detachable member two.
In the thread cutting mechanism of above-mentioned sewing machine, described detachable member two includes its inner on auxiliary knife rest
The screwed hole two connected with through hole six and the lock-screw two being threaded in screwed hole two, the inner of the lock-screw two
It is resisted against on eccentric part two.
In the thread cutting mechanism of above-mentioned sewing machine, the described one end of rotating shaft one away from bottom plate is provided with knife rest pressing plate.Pressure
Plate is used for the axial location for limiting main carriage and auxiliary knife rest, places main carriage and auxiliary knife rest axial float.Wherein, main carriage and auxiliary
Axially stacked setting of the knife rest along rotating shaft one.In order that movable blade one and movable blade two can be preferably engaged, movable blade one is set
It is set to circular arc and its center of circle is located on the axis of rotating shaft one, sets in the arc-shaped and its center of circle to be located at rotating shaft movable blade two
On one axis.
In an initial condition, the cutting edge of movable blade one and the cutting edge of movable blade two are held in safe distance with needle plate hole
Outside, when needing trimming, automatic control unit drive shaft two is rotated clockwise, and main carriage is driven by connecting rod one and connecting rod two
With auxiliary blade holder turns, when movable blade one is meshed with the cutting edge of movable blade two, trimming action is completed, now movable blade one is with living
The position of engagement of the cutting edge of moving knife two is located at the underface in needle plate hole, so maximize shorten trimming position and needle plate hole away from
From so that the end of a thread remained on cloth is most short.If due to part's machining errors, assembly error and for a long time using caused
When the machine error such as loosening and causing the position of engagement of movable blade one and the cutting edge of movable blade two to be not at immediately below needle plate hole, it can pass through
The angle of regulation cam pin realizes the change of the position of engagement.
Compared with prior art, the thread cutting mechanism of this sewing machine has advantages below：
It is most short that it substantially reduces the end of a thread remained in after trimming on cloth, improves trimming quality；And structure is very
Succinctly, movable blade one and the fine setting of the position of engagement of the cutting edge of movable blade two can be achieved, cam pin need to be only rotated during regulation, adjusts
Section is convenient, is not influenceed by part's machining errors, it is ensured that trimming position is all the time immediately below needle plate.
Brief description of the drawings
Fig. 1 is the structural representation for the embodiment one that the present invention is provided.
Fig. 2 is the exploded perspective view for the embodiment one that the present invention is provided.
Structural representation when Fig. 3 is the thread cutting mechanism that provides of the present invention non-trimming.
Fig. 4 be the present invention provide thread cutting mechanism trimming when structural representation.
Fig. 5 is the schematic diagram for the thread cutting mechanism that the present invention is provided.
Fig. 6 is the structural representation for the cam pin that the present invention is provided.
In figure, 1, bottom plate；2nd, rotating shaft one；3rd, rotating shaft two；4th, main carriage；5th, auxiliary knife rest；6th, movable blade one；7th, movable blade
Two；8th, swing arm；9th, connecting rod one；10th, connecting rod two；11st, cam pin；12nd, eccentric part one；13rd, eccentric part two；14th, through hole one；15、
Through hole two；16th, locking hole；17th, screwed hole；18th, lock-screw；19th, through hole three；20th, through hole five；21st, pressing plate.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
The thread cutting mechanism of sewing machine as depicted in figs. 1 and 2, including the rotating shaft 1 that is fixed on bottom plate 1 and with rotating shaft one
Be arranged with 2 rotating shafts 23 be arrangeding in parallel, rotating shaft 1 can one 2 rotations around the shaft main carriage 4 and auxiliary knife rest 5, on main carriage 4
Provided with movable blade 1, auxiliary knife rest 5 is provided with movable blade 27, rotating shaft 23 and is fixed with swing arm 8.As shown in figure 1, on main carriage 4
It is hinged with connecting rod 1, auxiliary knife rest 5 and is hinged with connecting rod 2 10, free end, the free end of connecting rod 2 10 and the swing arm 8 of connecting rod 1
Free end three it is hinged by same jointed shaft, between main carriage 4 and auxiliary knife rest 5 be provided be used for adjust movable blade one
6 with the adjustment structure of the occlusal position of movable blade 27.
In the present embodiment, jointed shaft is cam pin 11, as shown in fig. 6, adjustment structure is inclined on cam pin 11 including being located at
Center portion 1 and eccentric part 2 13, as shown in Fig. 2 having through hole 1, the free end of connecting rod 2 10 on the free end of connecting rod 1
Upper to have through hole 2 15, eccentric part 1 coordinates in through hole 1, and eccentric part 2 13 coordinates in through hole 2 15, eccentric
Pin 11 is fixed in swing arm 8 by detachable member.
As shown in Fig. 2 detachable member include locking hole 16 on the free end of swing arm 8, located at the side wall of swing arm 8 its
The inner screwed hole 17 connected with locking hole 16 and the lock-screw 18 being threadedly connected in screwed hole 17, cam pin 11 are located in
In locking hole 16, the inner of lock-screw 18 is resisted against on the side wall of cam pin 11.
As shown in figure 1, the one end of rotating shaft 1 away from bottom plate 1 is provided with knife rest pressing plate 21, pressing plate 21 is used to limit main carriage 4
With the axial location of auxiliary knife rest 5, main carriage 4 and the axial float of auxiliary knife rest 5 are prevented.Wherein, main carriage 4 and auxiliary knife rest 5 are along rotating shaft
One 2 axially stacked setting.In order that movable blade 1 and movable blade 27 can be preferably engaged, movable blade 1 is arranged to circle
Arc and its center of circle are located on the axis of rotating shaft 1, set in the arc-shaped and its center of circle to be located at rotating shaft 1 movable blade 27
Axis on.
In an initial condition, as shown in figure 3, the cutting edge of movable blade 1 and the cutting edge of movable blade 27 are kept with needle plate hole
Outside safe distance.When needing trimming, automatic control unit drive shaft 23 is rotated clockwise, and passes through connecting rod 1 and connecting rod
2 10 drive main carriages 4 and auxiliary knife rest 5 are rotated, as shown in figure 4, when movable blade 1 is meshed with the cutting edge of movable blade 27,
Trimming action is completed, now the position of engagement of movable blade 1 and the cutting edge of movable blade 27 is located at the underface in needle plate hole, and then most
Bigization shortens the distance of trimming position and needle plate hole so that the end of a thread remained on cloth is most short.Missed if being processed due to part
Difference, assembly error and using the caused machine error such as loosen cause nibbling for movable blade 1 and the cutting edge of movable blade 27 for a long time
When conjunction position is not at immediately below needle plate hole, the change of the position of engagement can be realized by adjusting the angle of cam pin 11.
Embodiment two
The structural principle of the structural principle be the same as Example one of the present embodiment is essentially identical, and different places are, regulation knot
Structure includes the cam pin 11 thereon with eccentric part 1 and eccentric part 2 13, and cam pin 11 is parallel with rotating shaft 1, such as Fig. 2 institutes
Show, connecting rod 1 has close to one end of main carriage 4 has through hole four on through hole 3 19, main carriage 4, eccentric part 1, which coordinates, to be set
In in through hole 3 19, eccentric part 2 13 coordinates in through hole four, and cam pin 11 is fixed on main carriage 4 by detachable member one
On.
Specifically, detachable member one include screwed hole one that its inner on the main carriage 4 connects with through hole four and
The lock-screw one in screwed hole one is threaded in, the inner of lock-screw one is resisted against on eccentric part 2 13.
As shown in figure 5, cam pin 11 is located at C points, B, D point position are fixed during regulation, by adjusting the angle of cam pin 11,
And then change BC and CD relative bar is long, realizes the change of the angle of main carriage 4 to adjust trimming position.
Embodiment three
The structural principle of the structural principle be the same as Example one of the present embodiment is essentially identical, and different places are, regulation knot
Structure includes the cam pin 11 thereon with eccentric part 1 and eccentric part 2 13, and cam pin 11 is parallel with rotating shaft 1, such as Fig. 2 institutes
Show, connecting rod 2 10 has close to one end of auxiliary knife rest 5 has through hole six on through hole 5 20, auxiliary knife rest 5, eccentric part 1, which coordinates, to be set
In in through hole 5 20, eccentric part 2 13 coordinates in through hole six, and cam pin 11 is fixed on auxiliary knife rest 5 by detachable member two
On.
Specifically, detachable member two include screwed hole two that its inner on the auxiliary knife rest 5 connects with through hole six and
The lock-screw two in screwed hole two is threaded in, the inner of lock-screw two is resisted against on eccentric part 2 13.
As shown in figure 5, cam pin 11 is located at C points, B, D point position are fixed during regulation, by adjusting the angle of cam pin 11,
And then change BE and ED relative bar is long, realize the change of the secondary angle of knife rest 5 to adjust trimming position.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (8)
1. a kind of thread cutting mechanism of sewing machine, including the rotating shaft one (2) that is fixed on bottom plate (1) and parallel with rotating shaft one (2) set
Be arranged with the rotating shaft two (3) put, described rotating shaft one (2) can around the shaft one (2) rotation main carriage (4) and auxiliary knife rest (5),
Described main carriage (4) is provided with movable blade one (6), and described auxiliary knife rest (5) is provided with movable blade two (7), described rotating shaft
Swing arm (8) is fixed with two (3), it is characterised in that connecting rod one (9), described auxiliary knife rest are hinged with described main carriage (4)
(5) it is hinged with connecting rod two (10) on, the freedom of the free end of the connecting rod one (9), the free end of connecting rod two (10) and swing arm (8)
Hold three hinged by same jointed shaft, being provided between described main carriage (4) and auxiliary knife rest (5) is used to adjust activity
The adjustment structure of knife one (6) and movable blade two (7) occlusal position.
2. the thread cutting mechanism of sewing machine according to claim 1, it is characterised in that described jointed shaft is cam pin
(11), described adjustment structure includes the eccentric part one (12) and eccentric part two (13) being located on cam pin (11), the connecting rod
Having on the free end of one (9) has through hole two (15) on through hole one (14), the free end of the connecting rod two (10), described is inclined
Center portion one (12) coordinates in through hole one (14), and described eccentric part two (13) coordinates in through hole two (15), described
Cam pin (11) is fixed in swing arm (8) by detachable member.
3. the thread cutting mechanism for the sewing machine stated according to claim 2, it is characterised in that described detachable member is included located at pendulum
Locking hole (16) on arm (8) free end, its inner screwed hole (17) connected with locking hole (16) located at swing arm (8) side wall
With the lock-screw (18) being threadedly connected in screwed hole (17), described cam pin (11) is located in locking hole (16), institute
The inner for stating lock-screw (18) is resisted against on the side wall of cam pin (11).
4. the thread cutting mechanism of sewing machine according to claim 1, it is characterised in that described adjustment structure includes having thereon
There are the cam pin (11) of eccentric part one (12) and eccentric part two (13), cam pin (11) connecting rod parallel with rotating shaft one (2), described
One (9) have close to one end of main carriage (4) has through hole four, described bias on through hole three (19), described main carriage (4)
Portion one (12) coordinates in through hole three (19), and described eccentric part two (13) coordinates in through hole four, described cam pin
(11) it is fixed on by detachable member one on main carriage (4).
5. the thread cutting mechanism for the sewing machine stated according to claim 4, it is characterised in that described detachable member one includes being located at
Its inner screwed hole one connected with through hole four and the lock-screw one being threaded in screwed hole one on main carriage (4),
The inner of the lock-screw one is resisted against on eccentric part two (13).
6. the thread cutting mechanism of sewing machine according to claim 1, it is characterised in that described adjustment structure includes having thereon
There are the cam pin (11) of eccentric part one (12) and eccentric part two (13), cam pin (11) connecting rod parallel with rotating shaft one (2), described
Two (10) have close to one end of auxiliary knife rest (5) has through hole six on through hole five (20), described auxiliary knife rest (5), described is inclined
Center portion one (12) coordinates in through hole five (20), and described eccentric part two (13) coordinates in through hole six, described bias
Pin (11) is fixed on auxiliary knife rest (5) by detachable member two.
7. the thread cutting mechanism for the sewing machine stated according to claim 6, it is characterised in that described detachable member two includes being located at
Its inner screwed hole two connected with through hole six and the lock-screw two being threaded in screwed hole two on auxiliary knife rest (5),
The inner of the lock-screw two is resisted against on eccentric part two (13).
8. the thread cutting mechanism of sewing machine according to claim 1, it is characterised in that described rotating shaft one (2) is away from bottom plate
(1) one end is provided with knife rest pressing plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686107.XA CN107268202B (en) | 2017-08-11 | 2017-08-11 | Thread cutting mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686107.XA CN107268202B (en) | 2017-08-11 | 2017-08-11 | Thread cutting mechanism of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107268202A true CN107268202A (en) | 2017-10-20 |
| CN107268202B CN107268202B (en) | 2022-12-23 |
Family
ID=60077575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710686107.XA Active CN107268202B (en) | 2017-08-11 | 2017-08-11 | Thread cutting mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107268202B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457015A (en) * | 2018-06-28 | 2018-08-28 | 本佳安凯（湖南）缝制机械有限公司 | Automatic sewing machine thread trimming mechanism and sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3142396U (en) * | 2008-03-31 | 2008-06-12 | 啓翔股▲ふん▼有限公司 | Sewing machine cutting equipment |
| CN205205442U (en) * | 2015-10-15 | 2016-05-04 | 浙江上工宝石缝纫科技有限公司 | Sewing machine's thread trimming mechanism |
| CN105970507A (en) * | 2016-06-24 | 2016-09-28 | 杰克缝纫机股份有限公司 | Thread trimming mechanism of sewing machine |
| CN106894175A (en) * | 2017-04-01 | 2017-06-27 | 杰克缝纫机股份有限公司 | A kind of sewing machine automatic shearing mechanism and sewing machine |
| CN206279337U (en) * | 2016-12-02 | 2017-06-27 | 浙江宝宇缝纫机有限公司 | A kind of thread cutting mechanism of sewing machine |
| CN206448033U (en) * | 2016-12-09 | 2017-08-29 | 杰克缝纫机股份有限公司 | Thread cutting mechanism of sewing machine |
| CN207091682U (en) * | 2017-08-11 | 2018-03-13 | 杰克缝纫机股份有限公司 | The thread cutting mechanism of sewing machine |
-
2017
- 2017-08-11 CN CN201710686107.XA patent/CN107268202B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3142396U (en) * | 2008-03-31 | 2008-06-12 | 啓翔股▲ふん▼有限公司 | Sewing machine cutting equipment |
| CN205205442U (en) * | 2015-10-15 | 2016-05-04 | 浙江上工宝石缝纫科技有限公司 | Sewing machine's thread trimming mechanism |
| CN105970507A (en) * | 2016-06-24 | 2016-09-28 | 杰克缝纫机股份有限公司 | Thread trimming mechanism of sewing machine |
| CN206279337U (en) * | 2016-12-02 | 2017-06-27 | 浙江宝宇缝纫机有限公司 | A kind of thread cutting mechanism of sewing machine |
| CN206448033U (en) * | 2016-12-09 | 2017-08-29 | 杰克缝纫机股份有限公司 | Thread cutting mechanism of sewing machine |
| CN106894175A (en) * | 2017-04-01 | 2017-06-27 | 杰克缝纫机股份有限公司 | A kind of sewing machine automatic shearing mechanism and sewing machine |
| CN207091682U (en) * | 2017-08-11 | 2018-03-13 | 杰克缝纫机股份有限公司 | The thread cutting mechanism of sewing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457015A (en) * | 2018-06-28 | 2018-08-28 | 本佳安凯（湖南）缝制机械有限公司 | Automatic sewing machine thread trimming mechanism and sewing machine |
| CN108457015B (en) * | 2018-06-28 | 2024-01-30 | 本佳安凯（湖南）缝制机械有限公司 | Automatic sewing machine cuts line mechanism and sewing machine |
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| Publication number | Publication date |
|---|---|
| CN107268202B (en) | 2022-12-23 |
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Address after: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Applicant before: JACK SEWING MACHINE Co.,Ltd. |
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