Chain stitch sewing machine

Details Chain stitch sewing machine Chain stitch sewing machine

1988-03-16

1989-04-18

Reynolds, Wm. Carter

Sewing

Elements

Take-ups

112254, 112DIG3, D05B 4904

Patent

active

048216615

ABSTRACT:
A thread control device for the looper thread of a chain stitch sewing machine having a rotating thread take-up disc and a cover plate containing a slot for the thread take-up disc. To prevent broken thread being wound up on a main shaft, a tube carrying a pressure medium, such as a stream of air, is disposed between the thread take-up disc and a looper eye. Tension is thereby mantained in the looper thread even if the thread breaks downstream of the thread take-up disc.

REFERENCES:
patent: 2944414 (1960-07-01), Malloy et al.
patent: 3014356 (1961-12-01), Butler
patent: 3788251 (1974-01-01), Haak
patent: 3903821 (1975-09-01), Marforio
patent: 4325314 (1982-04-01), Niem
patent: 4492174 (1985-01-01), Kaufmann
patent: 4633795 (1987-01-01), von Hagen

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