JPS612884U

JPS612884U - Corner stitch control device for double chain stitch sewing machine

Info

Publication number: JPS612884U
Application number: JP7405085U
Authority: JP
Inventors: 良治一重
Original assignee: ジューキ株式会社
Priority date: 1985-05-17
Filing date: 1985-05-17
Publication date: 1986-01-09
Also published as: JPS6125749Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の斜視図、第２Ａ図、第２Ｂ図−≠鵞士
ｉをもつミシンの角縫いを説明する説明図１，２・・・
針、３，４・＝・ルーパー、７・・・糸保持手段を構成
する糸調子器、８・・・糸制御手段を構成する制御体、
１０・・・係合手段を構成する係合体で、あ−−る。Fig. 1 is a perspective view of the present invention, Fig. 2A, Fig. 2B - Explanatory drawings 1, 2 illustrating corner stitching of a sewing machine with ≠ Scroll i...
Needle, 3, 4 = Looper, 7... Thread tension device constituting thread holding means, 8... Control body constituting thread control means,
10...An engaging body constituting the engaging means.

Claims

[Claims for Utility Model Registration] Two sets of needles 1, 2 and corresponding loopers 3, 4 forming two parallel double chain stitches by interlacing needle thread and looper thread. Stitches that run backwards and forwards in the cloth feeding direction, spaced apart from each other in the direction crossing the idle feeding direction, and that are connected so that the needle at the front in the cloth feeding direction is higher than the needle at the front. In a sewing machine having a forming mechanism, the thread holding means 7 is movable between a first position for clamping the looper thread and a second position for releasing it on the looper thread path at the front in the cloth feeding direction; a thread control means 8 which is arranged in relation to the thread holding means and is movable to a working position where the thread holding means is in a first position and a non-working position where the thread holding means is in a second position in relation to manual operation during corner stitching;
・- In conjunction with the yarn control means, its inactive position engages the looper yarn on the looper side than the yarn holding means, and in conjunction with the yarn control means, the yarn is pulled up in advance by the turning of the cloth at the corner. A corner stitch control device for a double chainstitch sewing machine, which is capable of being disassembled and is provided with: - an engaging means 10 having a flexible property.