JPH0399574U

JPH0399574U -

Info

Publication number: JPH0399574U
Application number: JP595690U
Authority: JP
Priority date: 1990-01-24
Filing date: 1990-01-24
Publication date: 1991-10-17
Anticipated expiration: 2003-09-30
Also published as: JPH0538716Y2

Description

[Brief explanation of the drawing]

第１図は偏平縫いミシンに設けた本考案に係る
上飾り糸切断保持装置の斜視図、第２図は同切断
保持装置の要部の部分断面側面図である。５……メス支持フレーム、７……固定メス、８
……エアシリンダー、１１……可動メス、１３…
…ホルダー、１４……第１の押圧体、１５……第
２の押圧体、１６Ａ，１６Ｂ……凹部、１７Ａ，
１７Ｂ……バネ受け、１８Ａ，１８Ｂ……コイル
バネ。 FIG. 1 is a perspective view of a cover thread cutting and holding device according to the present invention installed in an interlock stitch sewing machine, and FIG. 2 is a partially sectional side view of a main part of the cutting and holding device. 5... Female support frame, 7... Fixed knife, 8
...Air cylinder, 11...Movable knife, 13...
...Holder, 14...First pressing body, 15...Second pressing body, 16A, 16B...Concavity, 17A,
17B...Spring receiver, 18A, 18B...Coil spring.

Claims

[Scope of Claim for Utility Model Registration] (1) It has a fixed knife, a hook-shaped movable knife that moves forward and backward in sliding contact with the fixed knife, and a holding means that presses the movable knife against the fixed knife, and the movable knife has a reciprocating motion. A thread cutting and holding device for a sewing machine that captures and pulls the thread connected to the sewing end of the cloth, cuts it in cooperation with a fixed knife, and holds the cut end, uses a coil spring with a strong spring force and a spring holder. It consists of a first pressing body that presses the movable knife against the fixed knife, a coil spring with a weak spring force, and a spring receiver, and is located closer to the tip of the movable knife than the first pressing body, and the movable knife and A thread cutting and holding device for a sewing machine, comprising: a second pressing body that holds a cut piece of thread between the parts. (2) The first and second pressing bodies each have a coil spring attached to a recess provided in the holder, and a U-shape with a flat bottom surface that is fitted over the coil spring and into the recess and joined to the movable scalpel. 2. The thread cutting and holding device for a sewing machine according to claim 1, comprising a cross-sectional spring holder. (3) The thread cutting and holding device for a sewing machine according to claim 1, which is used as a top thread cutting and holding device for a multi-needle sewing machine.