WO2013073830A1 - Machine à coudre et dispositif de changement d'aiguille agencé pour celle-ci - Google Patents

Machine à coudre et dispositif de changement d'aiguille agencé pour celle-ci Download PDF

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Publication number
WO2013073830A1
WO2013073830A1 PCT/KR2012/009593 KR2012009593W WO2013073830A1 WO 2013073830 A1 WO2013073830 A1 WO 2013073830A1 KR 2012009593 W KR2012009593 W KR 2012009593W WO 2013073830 A1 WO2013073830 A1 WO 2013073830A1
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WO
WIPO (PCT)
Prior art keywords
needle bar
pair
sewing
needle
sewing machine
Prior art date
Application number
PCT/KR2012/009593
Other languages
English (en)
Korean (ko)
Inventor
이동규
Original Assignee
주식회사 썬스타
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 claimed from KR1020120125274A external-priority patent/KR101949888B1/ko
Application filed by 주식회사 썬스타 filed Critical 주식회사 썬스타
Publication of WO2013073830A1 publication Critical patent/WO2013073830A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B39/00—Workpiece carriers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/10—Needle bars for multiple-needle sewing machines

Definitions

  • the present invention relates to a sewing machine having a rotatable sewing head, and more particularly, has a structure in which the sewing head is rotated to enable perfect sewing without hitch stitch when sewing airbags, bags, shoes, etc.
  • the present invention relates to a sewing machine and a needle changing device suitable for the same, which can contribute to the improvement of the quality and productivity of the sewing material.
  • airbags, bags, shoes, etc. are not only thick sewing material, but also a lot of sewing lines of a difficult shape, such as circular, curved, oblique line, etc.
  • the conventional sewing machine generates a hitch stitch (hitch stitch) according to the sewing direction, As such, the shape of the stitches is uneven, resulting in a problem of deterioration of product quality.
  • FIG. 1 illustrates an example of a conventional sewing machine, wherein an arm part 40 including a head part is positioned on an upper side of the table 10, and a bed part (not shown) including a hook is disposed below the table 10. It is positioned, consisting of a coupling portion 60 connecting the arm portion 40 and the bed portion, the hook of the head portion and the bed portion is to sew the sewing object fixed to the sewing frame 50 by cooperation.
  • Such a sewing machine was able to move the sewing frame 50 in the X-axis or Y-axis direction due to the arm, bed structure was possible to process the sewing object of a limited area.
  • FIG. 2A to 2B illustrate an example in which hitch stitches are generated in a conventional sewing machine.
  • two of four sides are perfect stitches in which P is a perfect stitch, and one side is normal and H / P section where bad stitches are mixed. It can be seen that one side is an H section.
  • FIG. 2C shows the distribution of H-P Stitch for each section after sewing.
  • the section of the P section (Perfect Stitch) and the H section (Hitch Stitch) was almost 1: 1.
  • the present invention has been made in order to solve the above problems, and sewing while rotating the head portion and the bed portion to implement the perfect stitch between the whole in the sewing machine for sewing airbags, bags, shoes, etc., provided with a pair of needle bar It is an object of the present invention to provide a sewing machine.
  • Another object of the present invention is to provide a sewing machine in which hitches are not generated by rotating a pair of drums corresponding to a pair of needle bars facing each other.
  • Still another object of the present invention is to provide a sewing machine having a book base fine adjusting device in which a pair of book bases supporting a pair of books corresponding to a pair of needle bars are simultaneously conveyed by one adjusting screw. .
  • Still another object of the present invention is to provide a needle changing device suitable for each switching operation of a pair of needle bars.
  • a bed part installed at a lower part of the head part, the bed part rotating means being provided to rotate the sewing bed within a set range, and having a pair of books corresponding to a pair of needle bars;
  • a sewing machine including a.
  • a pair of books corresponding to the pair of needle bars and rotating in a direction facing each other in accordance with the conveying direction of the cloth.
  • a book base fine adjusting device for fine-adjusting a position between a pair of book bases supporting a pair of books corresponding to a pair of needle bars with a single adjusting screw.
  • Acupuncture device of the present invention for achieving the above another object
  • Each of the needle bar is provided with a fixing pin insertion groove under the needle bar
  • a needle bar receiving tube into which the pair of needle bar is inserted
  • a clutch lever base installed on one side of the needle bar receiving tube, through the clutch lever base
  • a pair of needle bar lower fixing pins inserted into each of the needle bar lower fixing pin insertion grooves, the clutch lever base and the needle bar lower fixing pins are hinged to each of the needle bar lower fixing pins into the needle bar lower fixing pin insertion grooves, respectively.
  • a needle bar return pin is provided to release the latch state of a pair of needle bar latches.
  • a slide block installed at an upper side of the needle bar holder and provided with a protrusion for selectively contacting the pair of clutch levers and the needle bar return pin;
  • Each of the needle bar is provided with a fixing pin insertion groove on the needle bar
  • the needle bar is preferably provided with a seesaw lever hinged between the needle pin fixing grooves on the needle bar and the needle pin fixing pin insertion grooves to move the seesaw by the needle bar fixing pins.
  • Sewing machine by sewing the head and the bed is rotated, the direction of the sewing thread can be kept constant, so in the sewing machine for sewing airbags, bags, shoes, etc. It has the effect of making it possible.
  • the sewing machine according to the present invention has the effect of simultaneously transferring a pair of book base with one adjustment screw.
  • the angle switching device can activate one or both of the pair of needle bar has the effect of facilitating the angle switching operation.
  • FIG. 1 is a perspective view showing an example of a conventional sewing machine
  • 2a to 2b is a view showing an example of hitch stitch generated in a conventional sewing machine
  • Figure 2c is a diagram showing the H-P Stitch distribution for each section after sewing
  • FIG. 3 is an overall perspective view of a sewing machine according to the present invention.
  • FIG. 4 is a perspective view showing a head of the present invention.
  • FIG. 5 is a perspective view showing a bed of the present invention
  • FIG. 6 is an exploded perspective view showing the head lowering means of the present invention.
  • 7a and 7b is a view showing an embodiment of the rotary drive gear of the present invention.
  • FIG. 8a to 8d is a perspective view showing the configuration of a sewing head of the sewing machine according to the present invention.
  • FIG. 9 is a view showing the angle switching operation in the sewing machine according to the present invention.
  • FIG. 10 shows an exploded perspective view of the needle bar holder.
  • FIG. 11 is a view illustrating a needle change operation by the clutch lever and the needle bar fixing pin shown in FIG. 10.
  • FIG. 13 illustrates a correspondence relationship between a pair of needle bars and a pair of books provided in a sewing bed corresponding to the sewing machine according to the present invention.
  • 14A and 14B show stitches by a pair of drums rotating in the same direction and a pair of drums rotating in a direction facing each other, respectively.
  • 15 is a cross-sectional view showing the configuration of a book base fine adjusting device according to the present invention.
  • Fig. 16 is a perspective view showing the configuration of a book base fine adjustment device according to the present invention.
  • head portion 101 head rotating motor
  • the head fixed sewing machine is the head portion 100 is located on the upper side of the table 10, the head portion 100 is to sew the sewing object fixed to the sewing frame (50).
  • the table 10 is a rectangular plate where the sewing object is placed.
  • Support posts 22 are vertically formed at both side ends of the table 10, and an upper beam 20 in a horizontal direction is provided at an upper end of the support posts 22.
  • the head part 100 includes a sewing head 109 having a pair of sewing needles which are reciprocated up and down, a lower shaft driving motor for driving a sewing needle, and a head rotating means for rotating the sewing head 109 ( 103).
  • the bed unit 300 includes a lower bed drive motor for driving the sewing bed 309, a pair of books 1002 and 1004 installed under the sewing bed 309, and a rotating bed of the sewing bed 309.
  • Bed portion rotating means 303 is included.
  • FIG 3 is an overall perspective view showing a sewing machine according to the present invention
  • Figure 4 is a perspective view showing the head of the present invention
  • Figure 5 is a perspective view showing the bed of the present invention.
  • the head fixed sewing machine is the head portion 100 is located on the upper side of the table 10, the head portion 100 is to sew the sewing object fixed to the sewing frame 50 .
  • the table 10 is a rectangular plate where the sewing object is placed.
  • Long side guide holes 12 are formed at both side surfaces of the table 10 at the front and the rear.
  • the guide hole 12 is a long hole formed to transmit the movement of the Y-axis feed means below the table 10 to the sewing frame 50 above the table 10.
  • Support posts 22 are vertically formed at both side ends of the table 10, and an upper beam 20 in a horizontal direction is provided at an upper end of the support posts 22.
  • the upper beam 20 is preferably composed of a square steel pipe, the head portion 100 is coupled to the front in the center. Between the head 100 and the upper beam 20, the head lowering means 210 for lowering the sewing head 109 equipped with a pair of sewing needles which are reciprocated up and down to the working position or to the standby position Is preferably provided.
  • the head lifting means 210 is built up using the actuator support bracket 242 to provide a driving force for raising and lowering the sewing head 109.
  • Sewing head 109 is fastened to the center of the front portion and at the same time the upper end is composed of a lifting plate 230 that is connected to the head connection bracket 244 connected to the driving portion of the elevating actuator 240.
  • Both ends of the rear portion of the elevating plate 230 are fastened to the guide means 250 such as the guide rail 252 and the guide fastener 254 for stable and reliable elevating operation.
  • Guide means 250 is formed on both sides of the front portion of the support plate 260, the actuator support bracket 242 for mounting and supporting the lifting and lowering actuator 240 is fixed to the center of the rear portion of the support plate 260 .
  • Head elevating means 210 is a elevating plate that is connected to the front end of the head connecting bracket 244, the head connecting bracket 244 is connected to the driving unit of the elevating actuator 240 is driven ( 230 is driven along the guide means 250 is formed in a structure in which the sewing head 109 is fastened up and down fastened on the front portion of the elevating plate 230.
  • the head part 100 includes a sewing head 109 having a pair of sewing needles which are vertically reciprocated and driven, a lower shaft driving motor (not shown) for driving the sewing needle, and a head for rotating the sewing head 109. And a secondary rotating means (103).
  • the head rotating means 103 is provided with a rotating motor 101 as a power source, and is connected to a drive shaft of the rotating motor 101 to sew the driving force of the rotating motor 101 to the sewing head 109. It is provided with a head transmission member for transmitting to the driven shaft for rotating.
  • the head rotating means 103 is a driven shaft (not shown) rotated by the driving force of the rotating motor 101 transmitted through the head transmission member, and is installed on the driven shaft to rotate around the driven shaft Head 109.
  • a rotation drive gear 102 is provided as the head transmission member, and the rotation drive gear 102 decelerates the rotation speed of the rotation motor 101 and then sewing head ( Bevel gears were used to rotate 109).
  • the bevel gear applied to the rotation drive gear 102 of the present invention is installed at an angle at which the drive shaft and the driven shaft cross at right angles to reduce the rotational speed of the drive shaft to rotate the driven shaft.
  • 7a and 7b is a view showing an embodiment of a rotation drive gear according to the present invention.
  • the drive shaft 101a and the driven shaft 101b of the rotating motor 101 are installed at right angles, and the bevel gear 102a provided on the drive shaft 101a and the driven shaft 101b engaged therewith.
  • the bevel gear 102b has a structure capable of rapidly reducing the number of revolutions and outputting the bevel gear 102b.
  • the driving force of the reduced speed after driving the back driving that is, the output shaft (drive shaft) by rotating the input shaft (drive shaft) and the speed of the input shaft is reduced.
  • the bed part 300 rotates the sewing bed 309, a lower shaft drive motor for driving the pair of books 1002 and 1004 installed under the sewing bed 309, and the sewing bed 309.
  • Bed portion rotating means 303 to make.
  • the rotating unit 303 of the bed unit includes a rotating motor 301 as a power source, and is connected to a drive shaft of the rotating motor 301 to sew the driving force of the rotating motor 301 to the sewing bed 309.
  • Bed portion transmission member for transmitting to the driven shaft to rotate is provided.
  • the bed rotating means 303 is a driven shaft (not shown) rotated by the driving force of the rotating motor 301 transmitted through the bed transmission member, and is installed on the driven shaft to be rotated around the driven shaft Bed 309.
  • the rotation drive gear 302 is provided, and the rotation drive gear 302 decelerates the rotation speed of the rotation motor 301 and then sewing the sewing bed at a reduced rotation speed ( Bevel gears were used to rotate the wheels.
  • the bed transmission member is made of a bevel gear installed at an angle at which the drive shaft and the driven shaft cross at a right angle, and has the same structure and features as the head transmission member of the head rotation means described above, so a description thereof will be omitted. .
  • the bed transmission member not only the above-described rotational drive gear but also other kinds of power transmission members such as a timing belt and the like can be used.
  • reference numerals 110 and 310 denote slip rings for supplying current to the respective rotating motors.
  • the lower shaft driving motor for driving the lower shaft installed in the lower side of the sewing bed 309 is simultaneously driven in synchronization with the upper shaft driving motor (not shown) of the head unit 100, and the rotation motor 301 of the bed unit 300 is rotated. Is installed to be driven together in synchronization with the amount of motion of the rotation motor 101 of the head portion 100.
  • FIG. 8A to 8D illustrate the needle changing device related to the needle changing operation in the sewing machine according to the present invention.
  • a pair of needle posts 802, 804 and actuator 803 for holding a sewing needle are shown.
  • the needle bars 802 and 804 are driven by the upper shaft drive motor as a power source, and the actuator 803 is provided to drive the slide block 814 to deactivate one side of the needle bars 802 and 804 or to activate both sides.
  • activation refers to a state in which the needle bar 802, 804 is driven up and down.
  • the needle bars 802 and 804 are provided with fixing grooves for fixing the needle bars in each of the needle bars 802 and 804, and the needle bars 802 and 804 are separated from the needle bar holders 830 by selectively inserting or fixing the fixing pins at the same time. In addition, up and down movement.
  • the actuator 803 may be an air cylinder or a solenoid, and the present invention will be described based on the solenoid.
  • the driving force of the actuator 803 is provided to the slide block 814 via the solenoid shaft connecting lever 806, the solenoid block movement shaft 808, the slide block movement shaft bracket 810, and the slide block movement lever 812.
  • the slide block 814 is moved left and right by driving the actuator 803.
  • a projection 814a for pressing the clutch levers 832 (832a, 832b) or the needle bar return pin 848 is provided to protrude downward.
  • Needle bar holder 830 is for latching a pair of needle bar (802, 804) to move up and down.
  • the needle bar holder 830 operates in conjunction with the slide block 814 to selectively activate the needle bar 802 or 804 on one side or to activate both the needle bars 802 and 804 on both sides. .
  • the stopper 860 is for holding the needle bars 802 and 804 not latched by the needle bar fixing pins 838a and 838b so as not to fall.
  • the actuator 803, the slide block 814, the needle bar holder 830, and the stopper 860 constitute a needle changing device in the summary of the present invention.
  • Angular switching means that the two needle bar (802, 804) to sew and continue sewing after turning in the vertical direction.
  • two needle bars 802 and 804 are sewn side by side, and in order to switch directions at the point h in the drawing and proceed in the direction of the arrow, a stitch (a) is taken by the left needle bar 802.
  • the needle bar 804 on the right side should remain inactive while going one stitch b further in a vertical direction.
  • the slide block 814 and the actuator 803 are provided to deactivate the needle bar 802 or 804 on one side in the angular switching operation.
  • the needle bar holder 830 includes a needle bar receiving tube 852 and a clutch lever base 854. Needle bar receiving tube 852 is for receiving a pair of needle bar (802, 804), the clutch lever base 854 is preferably formed integrally on one side of the needle bar receiving tube (852).
  • the needle bar 802 and 804 are provided with fixing pin insertion grooves 802a and 804a under the needle bar, fixing pin insertion grooves 802b and 804b on the needle bar and the seesaw levers 802c and 804c.
  • the seesaw levers 802c and 804c move the seesaw around a hinge (not shown) provided between the needle bar fixing pin insertion grooves 802a and 804a and the needle bar fixing pin insertion grooves 802b and 804b.
  • the driving force for this is provided by the fixing pins 838a and 838b under the needle bar.
  • Needle bar holder 830 is for latching one or both of the needle bar (802, 804) to move up and down.
  • the needle bar holder 830 penetrates the needle bar through the needle bar receiving tube 852 into which the needle bars 802 and 804 are inserted, the clutch lever base 854 and the clutch lever base 854 installed on one side of the needle bar receiving tube 852.
  • a pair of needle bar latches 840a and 840b which restrains the needle bar lower fixing pins 838a and 838b deviating from the grooves 802a and 804a from being inserted into the needle bar lower pin fixing grooves 802a and 802b, the needle bar latches And a needle bar return pin 848 for releasing the latched states of 840a and 840b.
  • Reference numeral 834 is a clutch lever hinge
  • 836a and 836b are clutch lever return springs
  • 844a and 844b are needle bar latch return springs
  • 846 are latch brackets
  • 850 are needle bar return pin return springs.
  • the stopper 860 is to latch the one that is not latched by the needle bar fixing pins 838a, 838b of the needle bar (802, 804) so as not to fall.
  • the stopper 860 is a stopper slidably supported by a pair of needle bar fixing pins 862a and 862b and needle bar fixing pins 862a and 862b that are selectively inserted into the needle bar fixing pin insertion grooves 802b and 804b.
  • a base 868 (see FIG. 8D), a pair of needle bar fixing pin support springs 864a and 864b for elastically supporting the needle bar fixing pins 862a and 862b, and a spring support plate 866.
  • FIG. 11 is a view illustrating a needle change operation by the clutch lever and the needle bar lower pin of FIG. 10.
  • the clutch levers 832a and 832b are pushed upward by the clutch lever return springs 836a and 836b, and as a result, the clutch levers Under the action of the hinges 834a, 834b, 834c, the lower pin fixing pins 838a, 838b are pushed toward the needle bars 802, 804. Accordingly, the needle bar lower fixing pins 838a and 838b are inserted into the needle bar lower fixing pin insertion grooves 802a and 804a provided in the needle bar 802 and 804. That is, the needle bars 802 and 804 move together according to the vertical movement of the needle bar holder 830.
  • the lower needle bar fixing pin 838a is caused by the action of the clutch lever hinges 834a, 834b and 834c.
  • 838b comes out of the needle bar fixing pin insertion grooves 802a and 804a provided in the needle bars 802 and 804. That is, even if the needle bar holder 830 moves up and down, the needle bar 802 and 804 do not move together.
  • the needle bar lower fixing pins 838a and 838b are latched by the needle bar latches 840a and 840b and the needle bar latch return springs 844a and 844b.
  • the lower part of the seesaw levers 802c and 804c is pressed and the upper part is lifted while the needle bar fixing pins 838a and 838b are inserted into the needle bar fixing pin insertion grooves 802a and 804a. Becomes In this state, the needle bar fixing pins 862a and 862b of the stopper 860 are not inserted into the needle bar fixing pin insertion grooves 802b and 804b.
  • the needle bar return pin 848 When the needle bar return pin 848 is pressed by the protrusion 814a of the slide block 814, the needle bar latches 840a and 840b move downward, thereby releasing the restraint state of the needle bar lower pins 838a and 838b.
  • the needle bar fixing pins 838a and 838b are inserted into the needle bar fixing pin insertion grooves 802a and 8024a again.
  • the fixing pins 862a and 862b on the needle bar are separated from the fixing pin insertion holes 802b and 804b on the needle bar by the action of the seesaw plates 802c and 804c.
  • both of the needle bar fixing pins 838a and 838b are inserted into the needle bar fixing pin insertion grooves 802a and 804a.
  • both the needle bars 802 and 804 are activated to move up and down together with the vertical movement of the needle bar holder 830.
  • FIG. 13 illustrates a correspondence relationship between a pair of needle bars and a pair of books 1002 and 1004 provided in the sewing bed 309 in the sewing machine according to the present invention.
  • a pair of books 1002 and 1004 corresponding to a pair of needle bars 802 and 804 are provided.
  • the pair of books 1002 and 1004 rotate in a direction facing each other.
  • Rotation of the pair of books 1002 and 1004 in a direction facing each other means that the pair of books 1002 and 1004 all rotate in accordance with the sewing progress direction, whereby a hitch is generated. It can be prevented.
  • FIG. 14A and 14B show stitches by a pair of drums rotating in the same direction and a pair of drums rotating in a direction facing each other, respectively.
  • a hitch may be generated in the stitches on the left side.
  • the hitch is generated in the stitch on the left side because the drum on the left side rotates in the opposite direction with respect to the direction of travel (Y) of the fabric, and the upper thread is directed to the center of the left and right stitches.
  • the pair of books (1002, 1004) to rotate in a direction facing each other to solve this problem.
  • the hitch is improved by allowing the pair of books 1002 and 1004 to rotate in the same direction with respect to the advancing direction Y of the cloth so that not all of the upper threads are directed to the center portion of the left and right stitches.
  • Fig. 15 is a sectional view showing the configuration of the book base fine adjustment device according to the present invention
  • Fig. 16 is a perspective view showing the configuration of the book base fine adjustment device according to the present invention.
  • the book base fine adjusting device 1200 according to the present invention includes an adjusting screw 1205 and a feed shaft 1206.
  • Screws 1208a and 1208b in different directions are formed with respect to the left and right book bases 1202 and 1204 in the feed shaft 1206 for conveying the book bases 1202 and 1204.
  • the left hand screw 1208a corresponds to the left book base 1202
  • the right hand screw 1208b corresponds to the right book base 1204.
  • the book bases 1202 and 1204 may face each other, or the like, depending on the rotation direction of the adjustment screw 1205. Is conveyed in the direction.
  • the pair of book bases 1202 and 1204 can be simultaneously transported by one adjusting screw 1205.
  • Sewing machine by sewing the head and the bed is rotated, the direction of the sewing thread can be kept constant, so in the sewing machine for sewing airbags, bags, shoes, etc. You can do that.
  • angle switching device can activate one or both of the pair of needle bar can facilitate the angle switching operation.

Abstract

La présente invention concerne une machine à coudre comprenant une tête de couture rotative ayant deux aiguilles. La machine à coudre comprend : une table sur laquelle un objet à coudre doit être disposé ; des colonnes de soutien disposées de chaque côté de la table, respectivement ; et une poutre supérieure reliant les colonnes de soutien les unes aux autres et disposée sur une extrémité supérieure de la machine à coudre. De plus, la machine à coudre comprend également : une partie tête fixée à la poutre supérieure et comprenant une unité de rotation de partie tête qui fait pivoter une tête de couture dans une plage définie et une paire d'unités d'entraînement de barre à aiguilles ; une partie fonture disposée sous la partie tête et comprenant une unité de rotation de partie fonture qui fait pivoter un fonture de couture dans une plage définie et une paire de bobines correspondant à la paire d'unités d'entraînement de barre à aiguilles.
PCT/KR2012/009593 2011-11-14 2012-11-14 Machine à coudre et dispositif de changement d'aiguille agencé pour celle-ci WO2013073830A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0118407 2011-11-14
KR20110118407 2011-11-14
KR10-2012-0125274 2012-11-07
KR1020120125274A KR101949888B1 (ko) 2011-11-14 2012-11-07 재봉기 및 이에 적합한 침절환 장치

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WO2013073830A1 true WO2013073830A1 (fr) 2013-05-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109629135A (zh) * 2019-01-30 2019-04-16 拓卡奔马机电科技有限公司 缝纫机的上机头系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07275537A (ja) * 1994-04-13 1995-10-24 Aisin Seiki Co Ltd ミシン頭部駆動装置
KR20050079500A (ko) * 2004-02-06 2005-08-10 썬스타 산업봉제기계 주식회사 재봉기
KR101040666B1 (ko) * 2008-09-05 2011-06-13 주식회사 썬스타 2본침 침절환 패턴 재봉기

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07275537A (ja) * 1994-04-13 1995-10-24 Aisin Seiki Co Ltd ミシン頭部駆動装置
KR20050079500A (ko) * 2004-02-06 2005-08-10 썬스타 산업봉제기계 주식회사 재봉기
KR101040666B1 (ko) * 2008-09-05 2011-06-13 주식회사 썬스타 2본침 침절환 패턴 재봉기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109629135A (zh) * 2019-01-30 2019-04-16 拓卡奔马机电科技有限公司 缝纫机的上机头系统

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