CN104762767A - Sewing machine and thread collecting device and method thereof - Google Patents

Sewing machine and thread collecting device and method thereof Download PDF

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Publication number
CN104762767A
CN104762767A CN201510198235.0A CN201510198235A CN104762767A CN 104762767 A CN104762767 A CN 104762767A CN 201510198235 A CN201510198235 A CN 201510198235A CN 104762767 A CN104762767 A CN 104762767A
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China
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take
driving lever
thread
hinged
fixed head
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CN201510198235.0A
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CN104762767B (en
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万义明
林晓晓
蒋昌林
何贤权
管建平
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Jack Technology Co Ltd
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Jack Sewing Machine Co Ltd
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Abstract

The invention discloses a thread collecting device of a sewing machine. The thread collecting device comprises a thread collecting fixing plate (8). An electronic thread trapper is installed on the thread collecting fixing plate (8). The thread collecting device further comprises a thread collecting stirring rod (1) and a driving part (10). The middle of the thread collecting stirring rod (1) is hinged to the thread collecting fixing plate (8), one end of the thread collecting stirring rod (1) is connected with the power output end of the driving part (10), the other end of the thread collecting stirring rod (1) is provided with a thread passing hole for thread to pass through, and the power output end can conduct reciprocating linear movement to drive the thread collecting stirring rod (1) to swing with the hinge point of the thread collecting stirring rod (1) and the thread collecting fixing plate (8) as an axis. The power output end conducts the reciprocating linear movement, the thread collecting stirring rod (1) is driven to swing, so that thread ends which are left when seaming is conducted are collected by a certain swing angle are formed, the thread ends of bottom face thread are prevented from being interwoven multiple times to form a bird-nest-shaped coil, the attractiveness and sewing quality of a sewed product are improved, the structure is simple, and the performance is stable. The invention further discloses the sewing machine comprising the thread collecting device and a thread collecting method of the sewing machine.

Description

Sewing machines and take-up thereof and cord reeling method
Technical field
The present invention relates to sewing machine field, particularly relate to a kind of take-up of Sewing machines.In addition, the invention still further relates to a kind of Sewing machines and the cord reeling method thereof that comprise above-mentioned take-up.
Background technology
One or more sewing thread used by Sewing machines, and sewing is formed one or more stitchings, makes the machine that one or more layers sewing interweaves or unites by a seam.Sewing function makes the goods such as cotton, fiber crops, silk, hair, artificial fibre, leather, plastics and paper, the stitching neat appearance of stitching out and firmly smooth, and sewing velocity is fast and easy to use.
When Sewing machines opens seam tailoring cloth, after once having made, during for ensureing to open seam next time, eedle is non-off-line, can leave the end of a thread of certain length during trimming.Sewing machines opens seam again, and upper thread the end of a thread is taken to below cloth by eedle, makes in process ensuing, and the end of a thread interweaves formation bulk repeatedly, and when opening seam, bottom surface line the end of a thread repeatedly interweaves and forms a nest like ball of string, can affect aesthetics and the sewing quality of sewings.
Therefore, how to avoid bottom surface line the end of a thread repeatedly to interweave forming a nest like ball of string and then affect the attractive in appearance of sewings with sewing quality is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of take-up of Sewing machines, avoid bottom surface line the end of a thread repeatedly to interweave and form a nest like ball of string, and then improve aesthetics and the sewing quality of sewings.Another object of the present invention is to provide the Sewing machines and cord reeling method thereof that comprise above-mentioned take-up, avoids bottom surface line the end of a thread repeatedly to interweave and forms a nest like ball of string, and then improves aesthetics and the sewing quality of sewings.
For solving the problems of the technologies described above, the invention provides a kind of take-up of Sewing machines, comprise the take-up fixed head for being connected with fuselage, described take-up fixed head is provided with the electronics tension disk for clamp, also comprise for pulls wire reciprocating take-up driving lever with for providing the driver part of power for described take-up driving lever, middle part and the described take-up fixed head of described take-up driving lever are hinged, one end of described take-up driving lever is connected with the clutch end of described driver part, the other end is provided with the cable-through hole passed for line, described clutch end can do linear reciprocating motion drive described take-up driving lever with described take-up fixed head hinged place for axle swings.
Preferably, one end of described take-up driving lever is connected by driver plate with described clutch end, middle part and the described take-up fixed head of described driver plate are hinged, one end of described driver plate and one end of described take-up driving lever are slidably connected, the other end and described clutch end are slidably connected, and described driver part and described take-up driving lever are arranged in same perpendicular.
Preferably, described driver plate by long axis view screw and described take-up fixed head hinged, described long axis view screw is provided with return spring, and the two ends of described return spring connect described take-up fixed head and described driver plate respectively.
Preferably, described clutch end is provided with the first rotating shaft of its direction of motion vertical, described clutch end is fixed in one end of described first rotating shaft, groove on the other end and described take-up fixed head is slidably connected, pivoted housing is set with outside described first rotating shaft, one end of described driver plate is provided with straight trough, and described pivoted housing and described straight trough are slidably connected.
Preferably, one end of described take-up driving lever is connected by connecting rod with one end of described driver plate, one end of described connecting rod and one end of described take-up driving lever hinged, one end of the other end and described driver plate is hinged, described take-up driving lever and described connecting rod are by hinge, and it is hinged that described connecting rod and described driver plate pass through short axial screw.
Preferably, also comprise for the fixed support across Sewing machines, described support bracket fastened one end is by one end of the second rotating shaft riveted joint front rod, one end of the hinged drive link of the other end of described front rod, the other end and the described clutch end of described drive link are hinged, the described support bracket fastened other end is fixedly connected with one end of back link by described second shaft screw, one end of the hinged kinematic link of the other end of described back link, the other end of described kinematic link and one end of described take-up driving lever hinged.
Preferably, described driver part is specially the electromagnet arranged separately, one end of described clutch end is set with buffering spacer and cushion pad, the other end is set with bumper pad, described bumper pad is fixedly installed in described take-up fixed head, and described cushion pad, buffering spacer and described bumper pad are used for carrying out buffer limit to described clutch end.
Preferably, described take-up driving lever and described take-up fixed head hinged place are provided with mechanical tension disk and cross line plate, and described mechanical tension disk is used for being fixed spacing to described take-up driving lever.
The present invention also provides a kind of Sewing machines, and comprise fuselage and be installed on the take-up of described fuselage, described take-up is specially the take-up described in above-mentioned any one.
The present invention also provides a kind of cord reeling method of take-up,
Sewing machines plays seam, and when thread take-up tension lever second time moves downward and do not arrive minimum point, electronics tension disk is energized, and driver part starts, and clutch end is to a direction linear running;
Described clutch end drives take-up driving lever to swing, and the line through described take-up driving lever cable-through hole is rotated with described take-up driving lever simultaneously;
Described electronics tension disk and described driver part power-off, described clutch end resets.
Take-up provided by the invention, comprises take-up driving lever and driver part, and middle part and the take-up fixed head of take-up driving lever are hinged, and the clutch end of one end and driver part is slidably connected, and the other end is provided with cable-through hole.Do linear reciprocating motion by clutch end, drive take-up driving lever to swing, similar take-up action, avoids suture to break at the volley, and take-up driving lever remains the existing function of line plate excessively, to crossing line without any resistance.Thus the pivot angle forming certain angle has regained the end of a thread residual when stitching, after resetting, Sewing machines keeps original state to continue sewing, avoids bottom surface line the end of a thread repeatedly to interweave and forms a nest like ball of string, and then improves aesthetics and the sewing quality of sewings, and structure is simple, stable performance.
Sewing machines provided by the present invention comprises above-mentioned take-up, because above-mentioned take-up has above-mentioned technique effect, above-mentioned Sewing machines also should have same technique effect, the cord reeling method that above-mentioned cord reeling method adapts as above-mentioned Sewing machines, also should have same technique effect, introduce no longer in detail at this.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention of take-up provided by the present invention;
Fig. 2 is the duty limit of sports record position view of take-up provided by the present invention;
Fig. 3 is the front portion structure schematic diagram of the another kind of detailed description of the invention of take-up provided by the present invention;
Fig. 4 is the rear structure schematic diagram of the another kind of detailed description of the invention of take-up provided by the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of take-up of Sewing machines, avoids bottom surface line the end of a thread repeatedly to interweave and forms a nest like ball of string, and then improves aesthetics and the sewing quality of sewings.Another core of the present invention is to provide the Sewing machines and cord reeling method thereof that comprise above-mentioned take-up, avoids bottom surface line the end of a thread repeatedly to interweave and forms a nest like ball of string, and then improves aesthetics and the sewing quality of sewings.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of detailed description of the invention of take-up provided by the present invention; Fig. 2 is the duty limit of sports record position view of take-up provided by the present invention.
The take-up that the specific embodiment of the invention provides, comprise take-up fixed head 8, electronics tension disk 5, driver part 10 and take-up driving lever 1, wherein electronics tension disk 5 is installed on take-up fixed head 8 by tension disk fixed head 6, tension disk fixed head 6 and take-up fixed head 8 can be unitary design, also can be split-type design.Wherein the middle part of take-up driving lever 1 and take-up fixed head 8 hinged, one end of take-up driving lever 1 is connected with the clutch end of driver part 10, and the other end is provided with cable-through hole.Clutch end can do linear reciprocating motion, and drive the take-up driving lever 1 that is slidably connected with it with take-up fixed head 8 hinged place for axle swings.
After Sewing machines plays seam, when thread take-up tension lever second time moves downward and does not arrive minimum point, electronics tension disk 5 is energized, action rear drive parts 10 start, and clutch end runs to a direction, drive the swing take-up action of take-up driving lever 1 before thread take-up tension lever second time has moved downward, line now through take-up driving lever 1 cable-through hole also rotates an angle with take-up driving lever 1, electronics tension disk 5 power-off simultaneously, clutch end resets, and this process completes within the time of a pin.A stroke is defined as by peak to minimum point when wherein thread take-up tension lever second time being moved downward; can carry out being energized when thread take-up tension lever second time moves downward 2/3 stroke and the operation such as startup; also stroke distances can be selected according to actual conditions, all within protection scope of the present invention.
Do linear reciprocating motion by clutch end, drive take-up driving lever 1 to swing, similar take-up action, avoids suture to break at the volley, and take-up driving lever 1 remains the existing function of line plate excessively, to crossing line without any resistance.Thus the pivot angle forming certain angle has regained the end of a thread residual when stitching, after resetting, Sewing machines keeps original state to continue sewing, avoids bottom surface line the end of a thread repeatedly to interweave and forms a nest like ball of string, and then improves aesthetics and the sewing quality of sewings, and structure is simple, stable performance.
In the take-up that the specific embodiment of the invention provides, in order to increase distance between take-up driving lever 1 and driver part 10 and the direction swung according to actual conditions adjustment and amplitude, one end of clutch end and take-up driving lever 1 can be connected by driver plate 16.By the middle part of driver plate 16 and take-up fixed head 8 hinged, one end of driver plate 16 and one end of take-up driving lever 1 are slidably connected, and the other end and clutch end are slidably connected.During work, drive driver plate 16 to swing by clutch end, and then drive take-up driving lever 1 to swing.Now, driver part 10 and take-up driving lever 1 are arranged and be same as in horizontal plane, the same side with Sewing machines is set by driver part 10 and take-up driving lever 1.Also driver plate 16 can not be set, as long as the normal work of take-up can be ensured, all within protection scope of the present invention.
When being provided with driver plate 16, it needs with take-up fixed head 8 hinged, can be undertaken hinged by long axis view screw 14.And on long axis view screw 14, return spring 4 can be installed, the two ends of return spring 4 connect take-up fixed head 8 and driver plate 16 respectively.By using return spring 4, directly can reset, making reset operation not need to be undertaken by driver part 10, economize energy.Also other reset modes can be adopted, as resetted, all within protection scope of the present invention by driver part 10.
In the take-up that the specific embodiment of the invention provides, one end of clutch end and driver plate 16 needs to be slidably connected, therefore, first rotating shaft 7 can be set on clutch end, first rotating shaft 7 is perpendicular to the direction of motion of clutch end, clutch end is fixed in one end of first rotating shaft 7, and the groove on the other end and take-up fixed head 8 is slidably connected, and can be free to slide in groove.At the first rotating shaft 7 outside suit pivoted housing 11, the one end be connected with clutch end at driver plate 16 arranges straight trough, and pivoted housing 11 is slidably connected with the straight trough of driver plate 16, can be free to slide in straight trough.Use the connected mode be slidably connected, make, in order to ensure the free degree that mechanism runs, take-up normally to be worked, also can adopt other modes, as arranged straight trough at clutch end, all within protection scope of the present invention.
In order to increase the free degree that mechanism runs further; one end of take-up driving lever 1 and one end of driver plate 16 is connected by connecting rod 3; two ends all adopt hinged mode; the normal operation of take-up can be ensured; also the connected mode of each parts can be adjusted according to actual conditions, all within protection scope of the present invention.
In above-mentioned detailed description of the invention, by the hinged take-up driving lever 1 of bearing pin 2 and connecting rod 3, by short axial screw articulated linkage 3 and driver plate 16.This mode structure is simple, is convenient to install, and also can adopt other articulated manner, all within protection scope of the present invention.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the front portion structure schematic diagram of the another kind of detailed description of the invention of take-up provided by the present invention; Fig. 4 is the rear structure schematic diagram of the another kind of detailed description of the invention of take-up provided by the present invention.
The take-up that the specific embodiment of the invention provides, also comprise for the fixed support 28 across Sewing machines, one end of front rod 26 is riveted in one end of fixed support 28 by the second rotating shaft 23, one end of the hinged drive link 22 of the other end of front rod 26, the other end and the clutch end of drive link 22 are hinged, the other end of fixed support 28 is fixedly connected with one end of back link 29 by the second rotating shaft 23 screw, one end of the hinged kinematic link 25 of the other end of back link 29, the other end of kinematic link 25 and one end of described take-up driving lever 1 hinged.Now, driver part 10 and take-up driving lever 1 are arranged at respectively the both sides of Sewing machines.
In the take-up that the specific embodiment of the invention provides, driver part 10 provides power for take-up driving lever 1, and driver part 10 can be specially the electromagnet arranged separately.Electromagnet convenient operation, also can adopt other modes, as used the parts such as cylinder or motor; or with use the driving mechanism of Sewing machines itself; as trimming driving mechanism, and electromagnet can be arranged and the inside of Sewing machines or outside, all within protection scope of the present invention.
Because clutch end needs to do linear reciprocating motion, in order to protect take-up, need to cushion its two ends.Can obtain thus, at one end of clutch end suit buffering spacer 12 and cushion pad 9, at the other end suit bumper pad 13 of clutch end, bumper pad 13 can be fixedly installed in take-up fixed head 8.By installing above-mentioned parts, buffer limit being carried out to clutch end, playing the protective effect to take-up, also can change mounting means or adopt other protected modes, all within protection scope of the present invention.
In the take-up that the specific embodiment of the invention provides, can mechanical tension disk 18 be set in take-up driving lever 1 and take-up fixed head 8 hinged place and cross line plate 17, to be fixed spacing to take-up driving lever 1, and realize mechanical tension disk 18 and the corresponding function crossing line plate 17.Mechanical tension disk 18 also can not be set, be completed the work of whole tension disk by electronics tension disk 5, as long as ensure that take-up normally works, all within protection scope of the present invention.
Except above-mentioned take-up, the specific embodiment of the present invention also provides a kind of Sewing machines comprising above-mentioned take-up, the structure of these other each several parts of Sewing machines please refer to prior art, take-up is installed on top or the rear of head of sewing machine, repeats no more herein.
The specific embodiment of the present invention also provides a kind of cord reeling method of take-up, after Sewing machines plays seam, when thread take-up tension lever second time moves downward and does not arrive minimum point, electronics tension disk 5 is energized, action rear drive parts 10 start, clutch end runs to a direction, the swing take-up action of take-up driving lever 1 is driven before thread take-up tension lever second time has moved downward, line now through take-up driving lever 1 cable-through hole also rotates an angle with take-up driving lever 1, electronics tension disk 5 power-off simultaneously, clutch end resets, and this process completes within the time of a pin.A stroke is defined as by peak to minimum point when wherein thread take-up tension lever second time being moved downward; can carry out being energized when thread take-up tension lever second time moves downward 2/3 stroke and the operation such as startup; also stroke distances can be selected according to actual conditions, all within protection scope of the present invention.
Do linear reciprocating motion by clutch end, drive take-up driving lever 1 to swing, similar take-up action, avoids suture to break at the volley, and take-up driving lever 1 remains the existing function of line plate excessively, to crossing line without any resistance.Thus the pivot angle forming certain angle has regained the end of a thread residual when stitching, after resetting, Sewing machines keeps original state to continue sewing, avoids bottom surface line the end of a thread repeatedly to interweave and forms a nest like ball of string, and then improves aesthetics and the sewing quality of sewings, and structure is simple, stable performance.
Above Sewing machines provided by the present invention and take-up thereof and cord reeling method are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (10)

1. the take-up of a Sewing machines, comprise the take-up fixed head (8) for being connected with fuselage, described take-up fixed head (8) is provided with the electronics tension disk (5) for clamp, it is characterized in that, also comprise for pulls wire reciprocating take-up driving lever (1) with for providing the driver part (10) of power for described take-up driving lever (1), middle part and the described take-up fixed head (8) of described take-up driving lever (1) are hinged, one end of described take-up driving lever (1) is connected with the clutch end of described driver part (10), the other end is provided with the cable-through hole passed for line, described clutch end can do linear reciprocating motion and drive described take-up driving lever (1) being that axle swings with described take-up fixed head (8) hinged place.
2. take-up according to claim 1, it is characterized in that, one end of described take-up driving lever (1) is connected by driver plate (16) with described clutch end, middle part and the described take-up fixed head (8) of described driver plate (16) are hinged, one end of described driver plate (16) and one end of described take-up driving lever (1) are slidably connected, the other end and described clutch end are slidably connected, and described driver part (10) and described take-up driving lever (1) are arranged in same perpendicular.
3. take-up according to claim 2, it is characterized in that, described driver plate (16) is hinged by long axis view screw (14) and described take-up fixed head (8), described long axis view screw (14) is provided with return spring (4), and the two ends of described return spring (4) connect described take-up fixed head (8) and described driver plate (16) respectively.
4. take-up according to claim 3, it is characterized in that, described clutch end is provided with first rotating shaft (7) of its direction of motion vertical, described clutch end is fixed in one end of described first rotating shaft (7), groove on the other end and described take-up fixed head (8) is slidably connected, pivoted housing (11) is set with outside described first rotating shaft (7), one end of described driver plate (16) is provided with straight trough, and described pivoted housing (11) and described straight trough are slidably connected.
5. take-up according to claim 4, it is characterized in that, one end of described take-up driving lever (1) is connected by connecting rod (3) with one end of described driver plate (16), one end of described connecting rod (3) and one end of described take-up driving lever (1) hinged, one end of the other end and described driver plate (16) is hinged, described take-up driving lever (1) is hinged by bearing pin (2) with described connecting rod (3), and described connecting rod (3) is hinged by short axial screw (15) with described driver plate (16).
6. take-up according to claim 1, it is characterized in that, also comprise for the fixed support (28) across Sewing machines, one end of front rod (26) is riveted in one end of described fixed support (28) by the second rotating shaft (23), one end of the hinged drive link of the other end (22) of described front rod (26), the other end and the described clutch end of described drive link (22) are hinged, the other end of described fixed support (28) is fixedly connected with one end of back link (29) by described second rotating shaft (23) screw, one end of the hinged kinematic link of the other end (25) of described back link (29), the other end of described kinematic link (25) and one end of described take-up driving lever (1) hinged.
7. take-up according to claim 1, it is characterized in that, described driver part (10) is specially the electromagnet arranged separately, one end of described clutch end is set with buffering spacer (12) and cushion pad (9), the other end is set with bumper pad (13), described bumper pad (13) is fixedly installed in described take-up fixed head (8), and described cushion pad (9), buffering spacer (12) and described bumper pad (13) are for carrying out buffer limit to described clutch end.
8. the take-up according to claim 1 to 7 any one, it is characterized in that, described take-up driving lever (1) and described take-up fixed head (8) hinged place are provided with mechanical tension disk (18) and cross line plate (17), and described mechanical tension disk (18) is for being fixed spacing to described take-up driving lever.
9. a Sewing machines, comprise fuselage and be installed on the take-up of described fuselage, it is characterized in that, described take-up is specially the take-up described in claim 1 to 8 any one.
10. a cord reeling method for take-up, is characterized in that,
Sewing machines plays seam, and when thread take-up tension lever second time moves downward and do not arrive minimum point, electronics tension disk (5) is energized, and driver part (10) starts, and clutch end is to a direction linear running;
Described clutch end drives take-up driving lever (1) to swing, and the line through described take-up driving lever (1) cable-through hole is rotated with described take-up driving lever (1) simultaneously;
Described electronics tension disk (5) and described driver part (10) power-off, described clutch end resets.
CN201510198235.0A 2015-04-23 2015-04-23 Sewing machine and its take-up Active CN104762767B (en)

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Publication number Priority date Publication date Assignee Title
CN109402885A (en) * 2018-11-28 2019-03-01 杰克缝纫机股份有限公司 The Yarn taking-up mechanism and sewing machine of use in sewing machine
CN109457409A (en) * 2018-11-28 2019-03-12 杰克缝纫机股份有限公司 The Yarn taking-up mechanism and sewing machine of use in sewing machine

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CN201901758U (en) * 2010-11-29 2011-07-20 台州力灿缝纫设备科技有限公司 Thread pulling device of sewing machine
CN202227097U (en) * 2011-09-24 2012-05-23 罗君 Thread relaxing structure for sewing machine
CN203462257U (en) * 2013-08-26 2014-03-05 台州拓卡奔马机电科技有限公司 Thread wiping device for sewing machine

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JPS6151173U (en) * 1985-08-10 1986-04-05
CN2259419Y (en) * 1996-04-02 1997-08-13 顾飞龙 Thread take-off device for sewing machine
CN200981923Y (en) * 2006-11-27 2007-11-28 玉环县力鼎缝纫机部件有限公司 Thread shifting device for sewing machine
CN101158089A (en) * 2007-07-03 2008-04-09 浙江新杰克缝纫机有限公司 Thread drawing device of sewing machine
CN201268773Y (en) * 2008-07-30 2009-07-08 高林股份有限公司 Upper decorative thread poking apparatus of sewing machine
CN201901758U (en) * 2010-11-29 2011-07-20 台州力灿缝纫设备科技有限公司 Thread pulling device of sewing machine
CN202227097U (en) * 2011-09-24 2012-05-23 罗君 Thread relaxing structure for sewing machine
CN203462257U (en) * 2013-08-26 2014-03-05 台州拓卡奔马机电科技有限公司 Thread wiping device for sewing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109402885A (en) * 2018-11-28 2019-03-01 杰克缝纫机股份有限公司 The Yarn taking-up mechanism and sewing machine of use in sewing machine
CN109457409A (en) * 2018-11-28 2019-03-12 杰克缝纫机股份有限公司 The Yarn taking-up mechanism and sewing machine of use in sewing machine

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