KR20010093479A - Sewing-machine winder - Google Patents

Sewing-machine winder Download PDF

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Publication number
KR20010093479A
KR20010093479A KR1020000016116A KR20000016116A KR20010093479A KR 20010093479 A KR20010093479 A KR 20010093479A KR 1020000016116 A KR1020000016116 A KR 1020000016116A KR 20000016116 A KR20000016116 A KR 20000016116A KR 20010093479 A KR20010093479 A KR 20010093479A
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KR
South Korea
Prior art keywords
thread
wound
shuttle bobbin
bobbin
eyelet
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KR1020000016116A
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Korean (ko)
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스티브 장
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스티브 장
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Priority to KR1020000016116A priority Critical patent/KR20010093479A/en
Publication of KR20010093479A publication Critical patent/KR20010093479A/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/02—Small garages, e.g. for one or two cars
    • E04H6/06—Small garages, e.g. for one or two cars with means for shifting or lifting vehicles

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

PURPOSE: A winder for sewing machine is provided in which thread is automatically transferred to a next winding part and then wound when the thread is wound in a shuttle bobbin formed by a plurality of winding parts. The titled winder accelerates the winding process to improve productivity. CONSTITUTION: The winder of a sewing machine for winding the thread introduced through a tension force control plate(24) and an eyelet in a shuttle bobbin(16) comprises a rotating body(34) constructed at the upper part of a body(12) to be rotated around a rotational axis(40) supported by a twist spring(38), a pulley(10) constructed at the rear part thereof to be outwardly inserted by the shuttle bobbin, a zig(14) constructed at the front part thereof and an elastic flap(44) constructed at a folded flap(30) of an operating part(42) to be contacted to the thread wound in the shuttle bobbin, wherein a press plate(20) and an eyelet(22) having elasticity to press thread are integrally formed to fasten to a bended flap(30) by a fastening member(36a), a transfer plate(32) is fastened to a connecting rod(26) connected to a horizontal moving body(28) on which the eyelet is projectedly mounted on one side of the upper part, such that the press plate and horizontal moving body are engaged each other.

Description

재봉틀 와인더 {SEWING-MACHINE WINDER}Sewing machine winder {SEWING-MACHINE WINDER}

본 발명은 재봉틀 와인더에 관한 것으로서, 더 상세하게는 실이 권취되는 권취부가 다수개 형성되는 셔틀 보빈에 실을 감을 때 실이 다음 귄취부로 자동 이송되어 감겨지는 재봉틀 와인더에 관한 것이다.The present invention relates to a sewing machine winder, and more particularly, to a sewing machine winder in which the thread is automatically transported and wound to the next guiding part when the thread is wound on a shuttle bobbin in which a plurality of windings in which the thread is wound is formed.

일반적으로 재봉틀에 사용되는 보빈은 재봉틀 하부의 보빈 케이스 내부에 장착되고, 보빈 외부에는 밑실이 권취되어 윗실이 끼워진 바늘이 승강됨에 따라 직물지에 박음질을 할 수 있도록 되어 있다.In general, the bobbin used for the sewing machine is mounted inside the bobbin case of the lower part of the sewing machine, and the bobbin thread is wound around the outside of the bobbin so that the upper threaded needle is lifted to sew onto the fabric.

상기 보빈은 주로 실이 감겨진 상태에서 유통되고, 대형 의류 제조공장이나 컴퓨터 자수를 위한 재봉틀 등에 이용되는 보빈은 주로 대량으로 사용되므로 실이 감겨진 상태의 보빈을 구입하여 사용하는 것이 일반적이나 가정용 재봉틀 같은 경우에는 작업자가 직접 보빈의 외부에 실을 감아서 사용한다.The bobbin is mainly distributed in a wound state, and a bobbin used in a large garment manufacturing factory or a computer embroidery machine is mainly used in large quantities, so it is common to purchase and use a bobbin in a state where a thread is wound, but a household sewing machine is used. In the same case, the operator winds the thread on the outside of the bobbin.

이와 같이 보빈의 외부에 실을 권취시키기 위한 재봉틀 와인더중, 특히 분할하여 실을 권취할 수 있도록 섹션(section)에 의해 권취부가 다수개 형성되는 셔틀 보빈(shuttle bobbin)에 실을 권취하기 위해서 일측 권취부에 충분한 양의 실을 권취한 후 다음 권취부에 권취시키기 위해서는 와인더의 회전을 멈추도록 한 상태에서 손으로 지그에 삽입된 셔틀 보빈의 위치를 전후로 이동한 후 다시 권취을 해야 하는 번거로움이 있었다.In this way, one side of the sewing machine winder for winding the thread on the outside of the bobbin, in particular, in order to wind the thread in a shuttle bobbin in which a plurality of windings are formed by a section so as to wind the thread in a divided manner. In order to wind up a sufficient amount of thread in the winding part, and to wind the next winding part, the trouble of having to rewind after moving the position of the shuttle bobbin inserted into the jig by hand while stopping the rotation of the winder. there was.

즉 권취된 실을 누르도록 작동부의 절곡편에 설치된 탄성편에 의해 권취부에 실이 충분히 감겨지면 작동부가 작동을 하여 풀리가 축삽된 수직 회동체가 일정 각도 회동하여 풀리와 마찰 부재가 접촉을 하게 되고 접촉 마찰력에 의해 회전을 멈추게 되며 이 상태에서 손으로 셔틀 보빈을 전 또는 후로 이동시켜 다음 권취부에 실을 권취하였다.That is, when the thread is sufficiently wound on the winding part by the elastic piece installed on the bent piece of the operating part to press the wound thread, the operating part is operated so that the vertical pivoting body in which the pulley is inserted is rotated at an angle, and the pulley and the friction member come into contact with each other. The rotation was stopped by the contact friction force, and in this state, the shuttle bobbin was moved forward or backward by hand to wind the thread on the next winding part.

따라서 손으로 셔틀 보빈을 이동시키는 불편함이 있었으며, 일단 정지시킨후 다시 권취작업을 하는 만큼 권취 작업이 늦어져 생산성이 떨어지는 문제점이 있었다.Therefore, there was an inconvenience of moving the shuttle bobbin by hand, and the winding work was delayed as much as the winding work was once stopped and the productivity was lowered.

본 발명은 상술한 문제점을 해결하기 위하여 안출된 것으로서, 실이 권취되는 권취부가 다수개 형성되는 셔틀 보빈에 실을 감을 때 셔틀 보빈을 이송시키지 않고 실이 다음 귄취부로 자동 이송되어 감겨지는 편리함이 있고 정지시킬 필요없이 권취되면서 바로 다음 권취부로 이송되는 만큼 권취 작업이 빨라져 작업성을 향상시킬 수 있는 재봉틀 와인더를 제공하는데 그 목적이 있는 것이다.The present invention has been made in order to solve the above-described problems, the convenience that the thread is automatically transported and wound to the next gusset without transferring the shuttle bobbin when the thread is wound around the shuttle bobbin formed with a plurality of windings wound The object of the present invention is to provide a sewing machine winder which can improve workability as the winding operation is accelerated as soon as it is wound to the next winding part without being wound.

상술한 목적을 달성하기 위하여 본 발명은, 비틀림 스프링이 탄지되는 회동축을 중심으로 회동되도록 회동체가 본체 상부에 설치되고, 상기 회동체의 후방으로는 마찰 부재에 접촉되어 회전이 정지되는 풀리가 전방으로는 셔틀 보빈이 외삽되는 지그가 설치되며 상기 셔틀 보빈에 권취된 실에 접촉되는 탄성편이 작동부의 절곡편에 설치되어, 장력 조절판과 아일릿을 통해 도입된 실을 셔틀 보빈에 감는 재봉틀 와인더에 있어서:In order to achieve the above object, the present invention, the rotating body is installed on the upper body so as to rotate around the rotating shaft on which the torsion spring is supported, the rear of the rotating body in contact with the friction member to stop the rotation pulley front In the sewing machine winder is provided with a jig to which the shuttle bobbin is extrapolated and the elastic piece in contact with the thread wound on the shuttle bobbin is installed on the bending piece of the operating portion, the thread introduced through the tension adjusting plate and the eyelet is wound on the shuttle bobbin. :

상기 셔틀 보빈에 접촉되어 실을 누르도록 탄성을 갖는 누름판과 전달판이 일체로 형성되어 체결 부재에 의해 절곡편에 체결되고, 상기 아일릿이 상부 일측으로 돌설된 수평 회동체에 연결된 연결 로드에 전달판이 체결 부재에 의해 체결되어, 누름판과 수평 회동체가 연동됨을 특징으로 하는 재봉틀 와인더를 제공하고자 한다.The press plate and the transfer plate having elasticity to contact the shuttle bobbin and press the thread are integrally formed and fastened to the bent piece by the fastening member, and the transfer plate is fastened to the connecting rod connected to the horizontal rotating body with the eyelet protruding toward the upper side. Is fastened by the member, to provide a sewing machine winder characterized in that the pressing plate and the horizontal rotating body is interlocked.

도 1은 본 발명에 따른 재봉틀 와인더의 분해사시도,1 is an exploded perspective view of a sewing machine winder according to the present invention;

도 2는 도 1에 의해 조립된 사용 상태 정면도,2 is a front view of the use state assembled by FIG. 1;

도 3은 실의 위치 이동전후를 보인 평면도.Figure 3 is a plan view showing before and after the positional movement of the seal.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

A: 와인더, 1: 실, 10: 풀리, 12: 본체, 14: 지그, 16: 셔틀 보빈, 18: 마찰 부재, 20: 누름판, 22: 아일릿, 24: 장력 조절판, 26: 연결 로드, 28: 수평 회동체, 30: 절곡편, 32: 전달판, 34: 회동체. 36a,36b: 체결 부재, 38: 비틀림 스프링, 40: 회동축, 42: 작동부, 44: 탄성편, 46: 돌출편.A: winder, 1: thread, 10: pulley, 12: body, 14: jig, 16: shuttle bobbin, 18: friction member, 20: pressing plate, 22: eyelet, 24: tension throttle, 26: connecting rod, 28 : Horizontal rotating body, 30 bent piece, 32 transfer plate, 34 rotating body. 36a, 36b: fastening member, 38: torsion spring, 40: rotating shaft, 42: moving part, 44: elastic piece, 46: protruding piece.

이하 본 발명을 첨부된 도면 도 1 내지 도 3을 참고로 하여 설명하면 다음과 같다.Hereinafter, the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 3.

도 1은 본 발명에 따른 재봉틀 와인더의 분해사시도이고, 도 2는 도 1에 의해 조립된 사용 상태 정면도이며, 도 3은 실의 위치 이동전후를 보인 평면도이다.1 is an exploded perspective view of a sewing machine winder according to the present invention, Figure 2 is a front view of the use state assembled by Figure 1, Figure 3 is a plan view showing before and after the position movement of the thread.

먼저 본 발명의 기본적인 구성을 살펴보면, 비틀림 스프링(38)이 탄지되는 회동축(40)을 중심으로 회동되도록 회동체(34)가 본체(12) 상부에 설치되고, 상기 회동체(34)의 후방으로는 마찰 부재(18)에 접촉되어 회전이 정지되는 풀리(10)가 전방으로는 셔틀 보빈(16)이 외삽되는 지그(14)가 설치되며 상기 셔틀 보빈(16)에 권취된 실(1)에 접촉되는 탄성편(44)이 작동부(42)의 절곡편(30)에 설치되어, 장력 조절판(24)과 아일릿(22)을 통해 도입된 실(1)을 셔틀 보빈(16)에 감는 재봉틀 와인더에 있어서:Looking at the basic configuration of the present invention first, the rotating body 34 is installed on the main body 12 so that the torsion spring 38 is rotated around the rotating shaft 40, the rear of the rotating body 34 As a pulley 10 which is in contact with the friction member 18 and the rotation stops, the jig 14 to which the shuttle bobbin 16 is extrapolated forward is installed, and the thread 1 wound around the shuttle bobbin 16. An elastic piece 44 in contact with the upper surface is installed on the bending piece 30 of the operating portion 42 to wind the thread 1 introduced through the tension adjusting plate 24 and the eyelet 22 on the shuttle bobbin 16. In sewing machine winder:

상기 셔틀 보빈(16)에 접촉되어 실(1)을 누르도록 탄성을 갖는 누름판(20)과 전달판(32)이 일체로 형성되어 체결 부재(36a)에 의해 절곡편(30)에 체결되고, 상기 아일릿(22)이 상부 일측으로 돌설된 수평 회동체(28)에 연결된 연결 로드(26)에 전달판(32)이 체결 부재(36b)에 의해 체결되어, 누름판(20)과 수평 회동체(28)가 연동됨을 특징으로 한다.The pressing plate 20 and the transfer plate 32 having elasticity to contact the shuttle bobbin 16 to press the seal 1 are integrally formed and fastened to the bending piece 30 by the fastening member 36a. The transfer plate 32 is fastened by the fastening member 36b to the connecting rod 26 connected to the horizontal rotating body 28 in which the eyelet 22 protrudes toward the upper side, and the pressing plate 20 and the horizontal rotating body ( 28) is interlocked.

본 발명을 상세히 설명하면, 본체(12)의 적당한 곳에는 회동체(34)가 상설되되, 후방으로는 미도시된 벨트가 감겨지는 풀리(10)가 축설되고 전방으로는 지그(14)가 끼워져 상기 지그(14)에는 셔틀 보빈(16)이 삽입된다.When the present invention will be described in detail, the pivoting body 34 is permanently located at the proper place of the main body 12, but the rear pulley 10, which is not shown in the belt is rolled up, and the jig 14 is fitted in the front. The shuttle bobbin 16 is inserted into the jig 14.

상기 회동체(34)에는 하측의 회동축(40)에 비틀림 스프링(38)이 탄지되어 회동축(40)을 중심으로 후술하는 작동부(42)에 의해 일정각도 회동하게 된다.The torsion spring 38 is supported by the rotational shaft 40 on the lower rotational shaft 34 so that the rotational body 34 is rotated at a predetermined angle by the operation unit 42 described later around the rotational shaft 40.

상기 풀리(10)와 일정거리 이격되어 마찰 부재(18)가 형성되어 작동부(42)에 의해 회동체(34)가 회동되면 마찰 부재(18)와 접촉하게 되고 그 마찰력에 의해 풀리(10)가 회전을 멈추게 된다.The friction member 18 is formed to be spaced apart from the pulley 10 by a predetermined distance, and when the rotating body 34 is rotated by the operating part 42, the friction member 18 comes into contact with the pulley 10 by the friction force. Stops rotating.

한편 상기 작동부(42)에는 자체적으로 걸림 수단이 구비되며, 작동부(42)의 절곡편(30)에는 탄성을 갖는 탄성편(44)이 설치되어 셔틀 보빈(16)에 권선된 실(1)에 닿게 된다.On the other hand, the operation part 42 is provided with a locking means by itself, the elastic piece 44 having elasticity is installed on the bending piece 30 of the operation part 42 is wound around the shuttle bobbin 16 (1) ) Is reached.

실(1)은 장력을 조절하는 장력 조절판(24)과 아일릿(22,(eyelet))을 통해 도입되어 풀리(10)가 회전함에 따라 지그(14) 및 지그(14)에 삽입된 셔틀 보빈(16)도 회전하여 셔틀 보빈(16)에 감기게 된다.The thread 1 is introduced through the tension adjusting plate 24 and the eyelets 22 to adjust the tension, and the shuttle bobbin inserted into the jig 14 and the jig 14 as the pulley 10 rotates. 16 is also rotated to be wound on the shuttle bobbin (16).

셔틀 보빈(16)에 실(1)이 감겨짐에 따라 탄성편(44)이 수축되어 강화된 탄성력을 가지게 되고 충분히 감겨지면 탄성편(44)에 의해 회동체(34)를 걸림 지지하는 작동부(42)의 걸림 수단이 해지되고 이에 의해 회동체(34)가 일정각도 회동하면 풀리(10)가 마찰부재(18)에 접촉되어 풀리(10)가 회전을 멈추게 된다.As the seal 1 is wound around the shuttle bobbin 16, the elastic piece 44 is contracted to have a strengthened elastic force, and when fully wound, the operating part for holding and holding the pivot 34 by the elastic piece 44. When the locking means of 42 is rotated and the rotating body 34 rotates by a predetermined angle, the pulley 10 comes into contact with the friction member 18 and the pulley 10 stops rotating.

한편, 셔틀 보빈(16)에 접촉되어 실(1)을 누르도록 탄성을 갖는 누름판(20)과 전달판(32)이 비틀림되어 일체로 형성되고 그 중앙 부위에는 체결 부재(36a)가 관통하여 절곡편(30)에 체결된다.On the other hand, the pressing plate 20 and the transfer plate 32 having elasticity to be in contact with the shuttle bobbin 16 to press the seal 1 are twisted and formed integrally, and the fastening member 36a penetrates through the central portion thereof. It is fastened to the piece 30.

따라서 누름판(20)과 전달판(32)은 체결 부재(36a)를 중심으로 서로 반대 방향으로 움직이게 된다.Therefore, the pressing plate 20 and the transfer plate 32 are moved in opposite directions with respect to the fastening member 36a.

전달판(32)은 계속하여 연결 로드(26)의 일측에 체결 부재(60b)로 체결되고 연결 로드(26)의 타측은 수평으로 회동되는 수평 회동체(28)에서 측면으로 돌설된 돌출편(46)에 체결되며 상기 아일릿(22)은 수평 회동체(28)의 일측 상부로 돌설된다.The transfer plate 32 is continuously fastened by a fastening member 60b to one side of the connecting rod 26 and the other side of the connecting rod 26 protrudes laterally from the horizontal pivot 28 which is rotated horizontally ( 46 is fastened to one side of the horizontal pivot 28, the eyelet 22 is fastened to.

이러한 구성으로, 누름판(20)의 운동력이 수평 회동체(28)에 전달된다.In this configuration, the kinetic force of the pressing plate 20 is transmitted to the horizontal rotating body 28.

상술하게 구성된 와인더(A)의 작용 및 효과를 살펴보면, 실(1)은 장력 조절판(24) 및 아일릿(22)을 통해 도입되어 풀리(10)가 회전함에 따라 셔틀 보빈(16)이 회전하면서 셔틀 보빈(16)에 감기게 되고 감기는 실(1)의 양이 증가함에 따라 실의 권취층이 두꺼워져 실(1)을 누르는 누름판(20)이 좌측으로 움직이게 된다.Looking at the action and effect of the above-described winder (A), the thread 1 is introduced through the tension adjusting plate 24 and the eyelet 22, the shuttle bobbin 16 is rotated as the pulley 10 rotates As the winding bobbin 16 is wound and the amount of the thread 1 is increased, the winding layer of the thread becomes thick, and the pressing plate 20 for pressing the thread 1 moves to the left side.

누름판(20)이 좌측으로 움직이면 반대로 하측의 전달판(32)은 우측으로 움직여 연결 로드(26)도 우측으로 움직인다.When the pressing plate 20 moves to the left side, the lower transfer plate 32 moves to the right side, and the connecting rod 26 also moves to the right side.

따라서 수평 회전체(28)가 회전하게 되고 측상부의 아일릿(22)도 회전하면서 실(1)의 위치를 뒤로 이동시키게 된다.Therefore, the horizontal rotating body 28 is rotated, and the eyelet 22 of the upper portion is also rotated to move the position of the seal 1 backward.

따라서 실(1)은 셔틀 보빈(16)의 앞쪽 권취부에서 뒤쪽 권취부로 위치를 이동하면서 계속 권취하게 되어 풀리(10)의 회전을 멈추지 않고도 일측의 권취부가 충분히 감기면 타측의 권취부로 이송시켜 실을 감을 수 있는 것이다.Therefore, the thread 1 is continuously wound while moving the position from the front winding part of the shuttle bobbin 16 to the rear winding part, and if the winding part of one side is sufficiently wound without stopping the rotation of the pulley 10, the thread 1 is transferred to the winding part of the other side. It can be wound.

이상에서와 같이, 본 발명에 따른 와인더(A)에 의하면, 손으로 타측 권취부에 실(1)을 권취시키기 위해 셔틀 보빈(16)을 손으로 이동시키는 불편함이 없어 편리하며, 일단 정지시킨후 다시 권취작업을 하지 않아도 되는 만큼 권취 작업이 빨라져 생산성이 향상되는 것이다.As described above, according to the winder (A) according to the present invention, there is no inconvenience to move the shuttle bobbin 16 by hand to wind the thread 1 to the other winding portion by hand, it is convenient, and once stopped Winding work is faster as the work does not need to be re-wound again, thereby improving productivity.

이상에서 살펴본 바와 같이, 본 발명은 실이 권취되는 권취부가 다수개 형성되는 셔틀 보빈에 실을 감을 때 셔틀 보빈을 이송시키지 않고 실이 다음 귄취부로 자동 이송되어 감겨지는 편리함이 있고 정지시킬 필요없이 권취되면서 바로 다음권취부로 이송되는 만큼 권취 작업이 빨라져 작업성을 향상시킬 수 있는 유용한 발명인 것이다.As described above, the present invention has the convenience that the thread is automatically transported to the next portion of the winding without winding the shuttle bobbin when the thread is wound on the shuttle bobbin formed with a plurality of windings wound around the thread, without the need to stop It is a useful invention that can improve the workability as soon as the winding work is transferred to the next winding unit as soon as it is wound.

Claims (1)

비틀림 스프링(38)이 탄지되는 회동축(40)을 중심으로 회동되도록 회동체(34)가 본체(12) 상부에 설치되고, 상기 회동체(34)의 후방으로는 마찰 부재(18)에 접촉되어 회전이 정지되는 풀리(10)가 전방으로는 셔틀 보빈(16)이 외삽되는 지그(14)가 설치되며 상기 셔틀 보빈(16)에 권취된 실(1)에 접촉되는 탄성편(44)이 작동부(42)의 절곡편(30)에 설치되어, 장력 조절판(24)과 아일릿(22)을 통해 도입된 실(1)을 셔틀 보빈(16)에 감는 재봉틀 와인더에 있어서:A rotating body 34 is installed above the main body 12 so that the torsion spring 38 rotates around the rotating shaft 40 on which the torsion spring 38 is supported, and is in contact with the friction member 18 behind the rotating body 34. The pulley 10 to stop the rotation of the jig 14 is installed in the front, the shuttle bobbin 16 is extrapolated and the elastic piece 44 in contact with the seal 1 wound on the shuttle bobbin 16 is In the sewing machine winder, which is installed on the bending piece 30 of the operating part 42 and winds the thread 1 introduced through the tension adjusting plate 24 and the eyelet 22 on the shuttle bobbin 16: 상기 셔틀 보빈(16)에 접촉되어 실(1)을 누르도록 탄성을 갖는 누름판(20)과 전달판(32)이 일체로 형성되어 체결 부재(36a)에 의해 절곡편(30)에 체결되고, 상기 아일릿(22)이 상부 일측으로 돌설된 수평 회동체(28)에 연결된 연결 로드(26)에 전달판(32)이 체결 부재(36b)에 의해 체결되어, 누름판(20)과 수평 회동체(28)가 연동됨을 특징으로 하는 재봉틀 와인더.The pressing plate 20 and the transfer plate 32 having elasticity to contact the shuttle bobbin 16 to press the seal 1 are integrally formed and fastened to the bending piece 30 by the fastening member 36a. The transfer plate 32 is fastened by the fastening member 36b to the connecting rod 26 connected to the horizontal rotating body 28 in which the eyelet 22 protrudes toward the upper side, and the pressing plate 20 and the horizontal rotating body ( 28) sewing machine winder characterized in that the interlock.
KR1020000016116A 2000-03-29 2000-03-29 Sewing-machine winder KR20010093479A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100377828B1 (en) * 2000-08-31 2003-03-29 코베스트 주식회사 bobbin winder for sewing machine
KR101659930B1 (en) * 2015-11-23 2016-09-26 주)돌핀코리아 Apparatus and method for detecting remaining thread of a sewingmachine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100377828B1 (en) * 2000-08-31 2003-03-29 코베스트 주식회사 bobbin winder for sewing machine
KR101659930B1 (en) * 2015-11-23 2016-09-26 주)돌핀코리아 Apparatus and method for detecting remaining thread of a sewingmachine

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