CN101307531B - Electric machine straight-link type sewing machine feeding device - Google Patents

Electric machine straight-link type sewing machine feeding device Download PDF

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Publication number
CN101307531B
CN101307531B CN2008100973759A CN200810097375A CN101307531B CN 101307531 B CN101307531 B CN 101307531B CN 2008100973759 A CN2008100973759 A CN 2008100973759A CN 200810097375 A CN200810097375 A CN 200810097375A CN 101307531 B CN101307531 B CN 101307531B
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CN
China
Prior art keywords
feeding
mentioned
shaft
axle
feed
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.)
Expired - Fee Related
Application number
CN2008100973759A
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Chinese (zh)
Other versions
CN101307531A (en
Inventor
丁镐荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jongsung Ind & Tailoring Mech Corp
Sunstar Machinery Co Ltd
Original Assignee
Jongsung Ind & Tailoring Mech Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to KR1020070046586A priority Critical patent/KR101365475B1/en
Priority to KR10-2007-0046586 priority
Application filed by Jongsung Ind & Tailoring Mech Corp filed Critical Jongsung Ind & Tailoring Mech Corp
Publication of CN101307531A publication Critical patent/CN101307531A/en
Application granted granted Critical
Publication of CN101307531B publication Critical patent/CN101307531B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B69/00Driving-gear; Control devices
    • D05B69/10Electrical or electromagnetic drives
    • D05B69/12Electrical or electromagnetic drives using rotary electric motors
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B27/00Work-feeding means
    • D05B27/02Work-feeding means with feed dogs having horizontal and vertical movements
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B57/00Loop takers, e.g. loopers
    • D05B57/30Driving-gear for loop takers
    • D05B57/36Driving-gear for loop takers in lock-stitch sewing machines
    • D05B57/38Shuttle drives
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B69/00Driving-gear; Control devices
    • D05B69/30Details

Abstract

The invention relates to a feeding mechanism of motor rigid type sewing machine, including: an upper shaft directly connected to the drive shaft of the driving motor and rotating to drive the needle rod to perform lift movement; an lower shaft under the drive of the rotating driving force of the upper shaft, driving the bobbin case to rotate; upper and lower feeding shafts and horizontal feeding shaft internally placed in the soleplate in direction parallel to the upper shaft to drive the feeding saw tooth of removable sewing to move along the elliptic track, wherein the characteristic of the invention further includes: a feeding drive shaft that rotates under driving of the timing belt pulley connected to the upper shaft through the upper shaft; a feeding cam connected with the drive belt pulley and mounted on the feeding drive shaft together; a steering cam connected to the feeding cam and mounted on the drive shaft; a horizontal feed connecting rod whose one end is fastened to the feeding cam and the other one is fastened to the horizontal feeding shaft through the horizontal oscillating crankshaft; and upper and lower feed connecting rods whose one end is fastened to the steering cam and the other one is fastened to the upper and lower feeding shafts through the upper and lower oscillating crankshafts.

Description

The feed mechanism of electric machine straight-link type sewing machine
Technical field
The present invention relates to a kind of Sewing machines, especially a kind of driving shaft drive motor is directly connected to the upward axle of Sewing machines and drives feeding (feed) mechanism of the electric machine straight-link type sewing machine of shank and bobbin case simultaneously.
Background technology
Fig. 1 is the sectional side view of existing electric machine straight-link type sewing machine; Fig. 2 be Sewing machines shown in Figure 1 partly cut open stereogram; Fig. 3 is the stereogram of the frontal of Fig. 2.As shown in Figure 1, order about shank 18 and go up axle 20 and order about the driving that the lower shaft that bobbin case (Fig. 6 46) is rotated motion (Fig. 2 22) receives single drive motor 24 along what above-below direction moved.
That is to say; The driving shaft of above-mentioned drive motor 24 directly connects axle 20; Upper/lower feed shaft (Fig. 5 30), straight feeding axle (Fig. 2 40) and lower shaft 22 have been disposed in the inside of base plate 10 respectively along the direction that is parallel to axle 20; Above-mentioned upward axle 20 not only is directly connected to the driving shaft of above-mentioned drive motor 24; Also through being connected to above-mentioned upper/lower feed shaft 30 with 26 and so on transmission instrument synchronously, feeding adjusting portion that therefore rotary driving force of above-mentioned drive motor 24 can be through base plate 10 inside (Fig. 2 42) and lower shaft gear (Fig. 4 14) are communicated to above-mentioned straight feeding axle 40 and lower shaft 22 respectively.
Like Fig. 2 and shown in Figure 3; Feeding cam (not shown) is being installed on the outer cylinder of axle 20 above-mentioned upper/lower feed shaft 30 through being connected to 26 synchronously on above-mentioned; Can be connected to feeding adjusting portion 42 through feed connecting rods (not shown), above-mentioned feeding adjusting portion 42 can convert the rotary driving force of upper/lower feed shaft 30 to horizontal pendulum power.
Feeding table (supporting sawtooth) 50 has can supply the feeding sawtooth of making thing (Fig. 6 52); The one of which end is connected to straight feeding axle 40 through sawtooth supporting with crank 70, the other end then through about feeding crank 60 be connected to the steering cam 32 that is installed on the upper/lower feed shaft 30.
Above-mentioned upper/lower feed shaft 30 can make above-mentioned feeding table 50 carry out oscillating motion along horizontal direction and vertical direction with straight feeding axle 40, makes thing (not shown) thereby make above-mentioned feeding sawtooth 52 move and transfer along the track of approximate ellipsoidal.
At this moment; Ordering about above-mentioned feeding sawtooth 52 along the generation method of the horizontal hunting driving force of horizontal motion does; To produce rotary driving force through being connected to the above-mentioned upper/lower feed shaft 30 that rotatablely moves behind the axle 20 of going up with 26 and so on transmission instrument synchronously; Above-mentioned rotary driving force converts the horizontal direction oscillatory forces to and is communicated to feeding adjusting portion 42 through above-mentioned feeding cam (not shown) and feed connecting rods (not shown), and the horizontal hunting driving force that passes to straight feeding axle 40 through above-mentioned feeding adjusting portion 42 will become through feeding table 50 orders about the driving force of above-mentioned feeding sawtooth 52 along horizontal motion.
Said process can make makes stitching of thing handover, increases or reduce the size that above-mentioned actuating quantity can change stitching.
In addition, it is following along the generation method that swings up and down driving force that above-below direction moves to order about above-mentioned feeding sawtooth 52.Through synchronously with 26 and so on transmission instrument be connected to steering cam 32 on the upper/lower feed shaft 30 that rotatablely moves behind the axle 20 can make the rotary driving force of axle 20 convert to about feeding force, thereby make above-mentioned feeding sawtooth 52 move and given play to along the function of above-below direction feeding along above-below direction.
Above-mentioned functions can make the straight feeding that carries out front-rear reciprocation movement become and pump; Can make and accomplish the feeding sawtooth 52 that are positioned at after the feeding operation above the needle plate 54 and move to below the needle plate 54 and get back to original position, draw high above the needle plate 54 then again and carry out next stitching.
Therefore, being installed in steering cam 32 and feeding cam on the above-mentioned upper/lower feed shaft 30 can make above-mentioned feeding sawtooth 52 move along elliptical path.
At this moment; Above-mentioned steering cam 32 and feeding cam be installed in can directly bear convert on the above-mentioned upper/lower feed shaft 30 that conveys to lower shaft 22 behind axle 20 power and rotatablely moving about with the oscillating motion of horizontal direction; When above-mentioned upper/lower feed shaft 30 all rotates at a high speed with lower shaft 22; To in the sewing process of Sewing machines, apply bigger load to the straight feeding axle 40 that is connected to above-mentioned upper/lower feed shaft 30 through above-mentioned feeding table 50, the inside of above-mentioned base plate 10 also bigger noise and vibration can occur.
Because above-mentioned upper/lower feed shaft 30 can drive the thing feeding portion of making and the lower shaft 22 of Sewing machines; Therefore being difficult to increases the feeding amount of Sewing machines through the mode that changes feeding sawtooth 52 tracks, thereby can't be applicable to the thicker thing (hereinafter to be referred as " thick thing ") of making that requires high feeding amount.
Summary of the invention
[technical problem that will solve]
In order to solve the sawtooth feeding quantitative limitation of existing electric machine straight-link type sewing machine, the purpose of this invention is to provide a kind of feed mechanism that can under thick thing operating environment, increase the electric machine straight-link type sewing machine of making thing feeding amount.
Another object of the present invention provides a kind of feed mechanism that reduces load and the electric machine straight-link type sewing machine of vibration through the improvement to the moving condition of straight feeding axle and upper/lower feed shaft.
[technical scheme]
To achieve these goals, the feed mechanism of electric machine straight-link type sewing machine comprises axle, is directly connected on the driving shaft of drive motor and is driven by it and rotates, and then drive shank and carry out elevating movement; Lower shaft receives above-mentioned rotation of going up the rotary driving force of axle and drives and order about the bobbin case rotation; Upper/lower feed shaft and straight feeding axle; Be built in base plate to be parallel to the above-mentioned direction that goes up axle; Order about and to transfer the feeding sawtooth of making thing and move along elliptical path; It is characterized by also and comprise: the feeding driving shaft receives being connected to above-mentioned driving of going up the timing belt pulley of axle through the transmission instrument and being rotated motion; Feeding cam links drive pulley and is installed in together on the above-mentioned feeding driving shaft; Steering cam connects above-mentioned feeding cam and is installed in together on the above-mentioned feeding driving shaft; Straight feeding connecting rod, an end are fastened on the above-mentioned feeding cam, and the other end then is fastened on the above-mentioned straight feeding axle through the horizontal hunting crank; And feed connecting rods up and down, an end is fastened on the above-mentioned steering cam, and the other end is fastened on the above-mentioned upper/lower feed shaft through swinging up and down crank.
Above-mentioned feeding driving shaft of the present invention should be built in the connecting portion that connects above-mentioned Sewing machines casing and base plate.
The driven pulley of the oiling axle that above-mentioned drive pulley of the present invention utilizes the transmission instrument to be connected to be built in above-mentioned base plate.
Above-mentioned transmission instrument of the present invention is to be with synchronously.
[invention effect]
As previously mentioned; Feeding driving shaft of the present invention is accepted to go up the axle revolving force through synchronous band and is rotated motion; Upper/lower feed shaft and straight feeding axle are through feed connecting rods and straight feeding connecting rod are connected to above-mentioned feeding driving shaft and carry out oscillating motion up and down; Therefore can increase the feeding amount that is applied to the horizontal direction actuating quantity on the above-mentioned straight feeding axle and increases the feeding sawtooth, thereby increase the stitch length of electric machine straight-link type sewing machine.
And; The present invention can also be in the sewing process of Sewing machines reduces the load that is applied to above-mentioned upper/lower feed shaft or straight feeding axle through upper/lower feed shaft that carries out above-mentioned oscillating motion and straight feeding axle, the vibration and the noise thereof of the base plate inside that also can reduce above-mentioned upper/lower feed shaft and straight feeding axle built-in.
Description of drawings
Fig. 1 is the sectional side view of existing electric machine straight-link type sewing machine;
Fig. 2 be Sewing machines shown in Figure 1 partly cut open stereogram;
Fig. 3 is the frontal stereogram of Fig. 2;
Fig. 4 be one embodiment of the invention electric machine straight-link type sewing machine partly cut open stereogram;
Fig. 5 is the local amplification stereogram of significant points of the present invention;
Fig. 6 is the frontal stereogram of Fig. 4;
Fig. 7 is the side surface direction stereogram of Fig. 5.
< explanation of the main symbol of figure >
10: base plate 12: casing (arm)
18: shank 20: go up axle
24: drive motor 26: be with synchronously
30: upper/lower feed shaft 32: steering cam
40: straight feeding axle 42: feeding adjusting portion
44: feeding regulating shaft 46: bobbin case
50: feeding table 52: the feeding sawtooth
54: needle plate 60: feeding crank up and down
70: sawtooth supports with crank 90: the feeding driving shaft
94: drive pulley 96: driven pulley
100,110: be with 120,122 synchronously: connecting rod
130: swing up and down crank 132: the horizontal hunting crank
The specific embodiment
Further specify below in conjunction with the feed mechanism of accompanying drawing electric machine straight-link type sewing machine of the present invention.
Fig. 4 be one embodiment of the invention electric machine straight-link type sewing machine partly cut open stereogram; Fig. 5 is the local amplification stereogram of significant points of the present invention; Fig. 6 is the frontal stereogram of Fig. 4.
Fig. 7 is the side surface direction stereogram of Fig. 5, when inscape of the present invention is identical with prior art, will use same pictorial symbolization.
As shown in the figure; Feeding driving shaft (Fig. 7 90) has been installed connecting Sewing machines base plate 10 and the inner space of the connecting portion 16 of casing 12, above-mentioned feeding driving shaft is through be connected to going up axle 20 and be driven by it and being rotated motion of above-mentioned drive motor 24 driving shafts of direct connection with 100 and so on transmission instrument synchronously.
As shown in Figure 4; Be positioned at the end that the bearing 82,84 of Sewing machines connecting portion 16 inner sides can fastening above-mentioned feeding driving shaft 90; Installed on the above-mentioned feeding driving shaft 90 can through synchronously with 100,110 be connected to the above-mentioned oiling axle of going up axle 20 and being built in base plate 10 (Fig. 7 140) separately timing belt pulley (Fig. 7 92), drive pulley (Fig. 7 94), 140 on above-mentioned oiling axle installed through above-mentioned synchronously with 110 be connected to above-mentioned feeding driving shaft 90 driven pulley 96.
After the rotary driving force of drive motor 24 is communicated to base plate 10 through above-mentioned feeding driving shaft 90, is communicated to lower shaft 22 and drives above-mentioned bobbin case through oiling shaft gear on the above-mentioned oiling axle 140 142 and above-mentioned lower shaft gear 14.
As shown in Figure 7; Feeding cam 34 connects above-mentioned drive pulley 94 and is installed in together on the above-mentioned feeding driving shaft 90; And steering cam 32 also is installed on the above-mentioned feeding driving shaft 90; An end that is connecting feeding driving shaft 90 and the straight feeding connecting rod 122 of straight feeding axle 40 is installed on the outer cylinder of above-mentioned feeding cam 34, and an end that is connecting the feed connecting rods up and down (Fig. 4 120) of feeding driving shaft 90 and upper/lower feed shaft 30 then is installed on the outer cylinder of above-mentioned steering cam 32.
That is to say; Installed respectively on the above-mentioned feeding driving shaft 90 and can convert the rotary driving force of above-mentioned drive motor 24 aforementioned levels wobble drive power to and swing up and down the feeding cam 34 and the steering cam 32 of driving force; 32 of above-mentioned feeding cam 34 and steering cams are fastening separately can convey to the wobble drive power through conversion above-mentioned straight feeding axle 40 and the straight feeding connecting rod 122 of upper/lower feed shaft 30 and feed connecting rods 120 up and down, and above-mentioned straight feeding axle 40 and 30 of upper/lower feed shafts are connected respectively to make transfers the above-mentioned feeding table 50 that the feeding sawtooth 52 of making thing moves along elliptical path.
Above-mentioned straight feeding connecting rod 122 and up and down the bottom of feed connecting rods 120 be fastened on horizontal hunting crank 132 respectively and swing up and down on the crank 130 and be connected to straight feeding axle 40 separately and upper/lower feed shaft 30, through above-mentioned horizontal hunting crank 132 and swing up and down crank 130 above-mentioned straight feeding connecting rod 122 and up and down the motion that swings up and down of feed connecting rods 120 convert to respect to reception and registration again behind the angled rotational oscillating motion of above-mentioned straight feeding axle 40 and upper/lower feed shaft 30.
Further specify in the face of effect situation of the present invention down with said structure.
Arrive shown in Figure 7 like Fig. 4; When the going up axle 20 and be rotated motion of the driving shaft that is directly connected to above-mentioned drive motor 24, last 20 rotary driving force is through being communicated to the timing belt pulley 92 on the feeding driving shaft 90 and ordering about above-mentioned feeding driving shaft 90 with 100 and be rotated motion as the transmission instrument synchronously.
The rotary driving force that is communicated to above-mentioned feeding driving shaft 90 will be through being connected to passing to driven pulley 96 with 110 synchronously and order about the oiling axle 140 that is built in base plate 10 and being rotated motion of drive pulley 94; The lower shaft gear 14 that is engaged in oiling axle 140 oiling shaft gears 142 will be followed rotatablely moving of above-mentioned oiling axle 140 and rotate, the also and then rotation and drive bobbin case 46 of lower shaft 22 this moment.
The rotary driving force of above-mentioned feeding driving shaft 90 converts to through above-mentioned steering cam 32 and feeding cam 34 and swings up and down driving force, passes to above-mentioned upper/lower feed shaft 30 and straight feeding axle 40 through above-mentioned feed connecting rods 120 up and down and straight feeding connecting rod 122 then.
Above-mentioned upper/lower feed shaft 30 and straight feeding axle 40 backs are passed in oscillating motion respectively makes the feeding sawtooth that is combined on the above-mentioned feeding table 50 52 move along elliptical path through above-mentioned feeding crank 60 up and down and sawtooth supporting with crank 70.
That is to say; The feeding driving shaft 90 that steering cam 32 and feeding cam 34 have been installed can be connected to spools 22 and be driven by it and be rotated motion through being with 100 synchronously; The rotary driving force of above-mentioned feeding driving shaft 90 is with 110 to be communicated to oiling axle 140 through other synchronously, orders about lower shaft 22 through oiling shaft gear 142 and lower shaft gear 14 then and is rotated motion.
The rotary driving force of above-mentioned feeding driving shaft 90 converts to toward right and left through above-mentioned up and down feed connecting rods 120 and straight feeding connecting rod 122 and after the oscillating motion of swing certain angle, is communicated to above-mentioned upper/lower feed shaft 30 and straight feeding axle 40, and above-mentioned feeding sawtooth 52 is moved along elliptical path.
In said process; Above-mentioned feeding driving shaft 90 is accepted the rotary driving force of drive motor 24 with 100 synchronously and is rotatablely moved through above-mentioned; 22 utilizations of lower shaft that are built in base plate 10 and drive bobbin case 46 through other synchronously with 110 be connected to the oiling axle 140 of above-mentioned feeding driving shaft 90 rotary driving force, therefore can reduce effectively because drive and above-mentionedly go up axle 20 and being applied to the load on the above-mentioned feeding driving shaft 90.
Because above-mentioned feeding driving shaft 90 is connected respectively to upper/lower feed shaft 30 and above-mentioned straight feeding axle 40 through above-mentioned feed connecting rods 120 up and down and straight feeding connecting rod 122; When making thing, can reduce the load that 90 of above-mentioned feeding driving shafts that rely on axle 20 rotary driving force to be rotated motion impose on above-mentioned upper/lower feed shaft 30 and above-mentioned straight feeding axle 40, it is inner because vibration or the noises that built-in above-mentioned upper/lower feed shaft 30 causes with straight feeding axle 40 to reduce above-mentioned base plate 10 effectively.
The strength that above-mentioned upper/lower feed shaft 30 and straight feeding axle 40 apply horizontal direction and vertical direction through oscillating motion to aforementioned feeding table 50 drives above-mentioned feeding sawtooth 52 handovers and makes thing; Therefore can increase the horizontal direction actuating quantity that to above-mentioned upper/lower feed shaft 30 applied because above-mentioned upper/lower feed shaft 30 all carries out the oscillating motion of certain angle with straight feeding axle 40 this moment.
Therefore, can make the feeding amount of thing and realize electric machine straight-link type sewing machine needed sewing length 7mm when sewing thick thing easily by feat of above-mentioned feeding sawtooth 52 increases.
Preamble combines accompanying drawing and embodiment that the feed mechanism of electric machine straight-link type sewing machine of the present invention is specified; But it only is that the present invention is done explanation rather than limits the present invention; In technological thought category of the present invention; Can detailed description according to the present invention realize various distortion and modification, this is very tangible same industry personage.

Claims (4)

1. the feed mechanism of an electric machine straight-link type sewing machine comprises, last axle is directly connected on the driving shaft of drive motor and is driven by it and rotates, and then drives shank and carry out elevating movement; Lower shaft receives above-mentioned rotation of going up the rotary driving force of axle and drives and order about the bobbin case rotation; Upper/lower feed shaft and straight feeding axle are built in base plate to be parallel to the above-mentioned direction that goes up axle, order about can transfer the feeding sawtooth of making thing and move along elliptical path, it is characterized by in addition to comprise:
The feeding driving shaft receives being connected to above-mentioned driving of going up the timing belt pulley of axle through the transmission instrument and being rotated motion;
Feeding cam links drive pulley and is installed in together on the above-mentioned feeding driving shaft;
Steering cam connects above-mentioned feeding cam and is installed in together on the above-mentioned feeding driving shaft;
Straight feeding connecting rod, an end are fastened on the above-mentioned feeding cam, and the other end then is fastened on the above-mentioned straight feeding axle through the horizontal hunting crank; And
Feed connecting rods up and down, an end is fastened on the above-mentioned steering cam, and the other end is fastened on the above-mentioned upper/lower feed shaft through swinging up and down crank.
2. the feed mechanism of electric machine straight-link type sewing machine according to claim 1 is characterized by:
Above-mentioned feeding driving shaft is built in the connecting portion that connects above-mentioned Sewing machines casing and base plate.
3. the feed mechanism of electric machine straight-link type sewing machine according to claim 1 is characterized by:
Above-mentioned drive pulley is connected to the driven pulley of the oiling axle that is built in above-mentioned base plate through the transmission instrument.
4. according to the feed mechanism of claim 1 or the described electric machine straight-link type sewing machine of claim 3, it is characterized by:
Above-mentioned transmission instrument is to be with synchronously.
CN2008100973759A 2007-05-14 2008-05-12 Electric machine straight-link type sewing machine feeding device Expired - Fee Related CN101307531B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020070046586A KR101365475B1 (en) 2007-05-14 2007-05-14 Feed structure of motor direct connection type sewing machine
KR10-2007-0046586 2007-05-14

Publications (2)

Publication Number Publication Date
CN101307531A CN101307531A (en) 2008-11-19
CN101307531B true CN101307531B (en) 2012-04-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100973759A Expired - Fee Related CN101307531B (en) 2007-05-14 2008-05-12 Electric machine straight-link type sewing machine feeding device

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CN (1) CN101307531B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101107725B1 (en) * 2010-05-19 2012-01-20 주식회사 미싱이야기 A overlock sewing machine
CN102720012B (en) * 2012-06-22 2014-02-19 新杰克缝纫机股份有限公司 Driving mechanism of level sewing machine
CN103243496A (en) * 2013-04-26 2013-08-14 阮孟定 Novel drive system for sewing equipment and drive method
CN103981648B (en) * 2014-05-13 2016-08-24 诸暨锦和缝制机械有限公司 The independent lower head driving rotary sewing machine
CN105755697B (en) * 2016-05-11 2019-07-09 天津市中马骏腾精密机械制造有限公司 The built-in industrial sewing machine of stator winding
CN112144194A (en) * 2020-09-09 2020-12-29 湖南奔立尔工贸实业有限公司 Novel flush joint machine that electric quantity loss is low

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CN1080002A (en) * 1992-06-06 1993-12-29 马克皮公司 Can make the industrial sewing machines of different type of suture simultaneously
CN1837441A (en) * 2005-03-21 2006-09-27 高机缝纫机开发股份有限公司 Improved cloth guide wheel driving mechanism for sewing machine

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JP3693139B2 (en) * 1997-09-30 2005-09-07 ブラザー工業株式会社 Sewing machine half turn hook drive
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CN1080002A (en) * 1992-06-06 1993-12-29 马克皮公司 Can make the industrial sewing machines of different type of suture simultaneously
CN1837441A (en) * 2005-03-21 2006-09-27 高机缝纫机开发股份有限公司 Improved cloth guide wheel driving mechanism for sewing machine

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Publication number Publication date
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CN101307531A (en) 2008-11-19
KR101365475B1 (en) 2014-02-21

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