JPS6050977U

JPS6050977U - Sewing machine thread cutting device

Info

Publication number: JPS6050977U
Application number: JP14273083U
Authority: JP
Inventors: 寺本　昌史
Original assignee: ペガサスミシン製造株式会社
Priority date: 1983-09-14
Filing date: 1983-09-14
Publication date: 1985-04-10
Also published as: JPS6310149Y2

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図は本考案に係る糸切断装置を示すもので第１図は糸フ
ックが前進したときの状態を示す斜視図第２図は後退し
たときの状態を示す斜視図、第３図は分解斜視図、第４
図は要部の正面図、第５図は同要部の底面図、第６図は
別の実施例の要部正面図、第７図は同平面図、第８図は
第６，７図に示される糸フックの平面図である。２・・・案内土台、３・・・スライドバー、４・・・ス
ライドパー、５・・・糸フック、８・・・フック、９・
・・フック部、１５・・・切断刃、１６・・・押えバネ
、２０・・・糸保持バネ、２６・・・ストッパー、２８
・・・圧縮バネ、３１・・・フック部、３２・・・切断
孔、３３・・・案内溝、３４・・・切断刃、３５・・・
糸保持バネ。（１上”パThe figures show the thread cutting device according to the present invention. Fig. 1 is a perspective view showing the state when the thread hook is advanced. Fig. 2 is a perspective view showing the state when the thread hook is retracted. Fig. 3 is an exploded perspective view. , 4th
The figure is a front view of the main part, Fig. 5 is a bottom view of the main part, Fig. 6 is a front view of the main part of another embodiment, Fig. 7 is a plan view of the same, and Fig. 8 is the same as Fig. 6 and 7. FIG. 3 is a plan view of the yarn hook shown in FIG. 2... Guide base, 3... Slide bar, 4... Slide par, 5... Yarn hook, 8... Hook, 9...
... Hook part, 15 ... Cutting blade, 16 ... Presser spring, 20 ... Thread holding spring, 26 ... Stopper, 28
... Compression spring, 31 ... Hook portion, 32 ... Cutting hole, 33 ... Guide groove, 34 ... Cutting blade, 35 ...
Thread retention spring. (1 above” pa

Claims

[Scope of utility model registration request]

Cutting blade 15.34, a cutting blade that reciprocates between the throat plate and the looper 13, captures the upper thread N1, N2 and bobbin thread connected to the sewing end from the looper, pulls them to the cutting blade, and cuts them. It has a thread hook 5 attached to it, a presser spring 16 that presses the thread hook against the cutting blade, and a thread holding spring 20.35 that makes light elastic contact with the thread hook 5 in front of the presser spring, and holds the cut bobbin thread. A thread cutting device for a sewing machine that can hold the thread with the minimum necessary clamping pressure by a thread holding spring until the next sewing starts.