Chain stitch device for lock stitch sewing machines

Details Chain stitch device for lock stitch sewing machines Chain stitch device for lock stitch sewing machines

1981-03-27

1983-02-22

Reynolds, Wm. Carter

Sewing

Stitch forming

Multiple needle

112201, D05B 114, D05B 5704

Patent

active

043745032

ABSTRACT:
A novel chain stitch sewing mechanism is disclosed in which thread loops which are retained for enchainment with thread loops introduced by subsequent needle penetration are released only in response to the action of the thread seized and manipulated during said subsequent needle penetration. A chain stitch conversion device for a conventional lock stitch sewing machine operating on this principle is disclosed. Also disclosed is a novel combination of a chain stitch forming mechanism with a sewing machine skip stitch mechanism.

REFERENCES:
patent: 743876 (1903-11-01), Huffman
patent: 1014033 (1912-01-01), Baker et al.
patent: 3173390 (1965-03-01), Bartosz
patent: 3253560 (1966-05-01), Ketter et al.
patent: 3602168 (1971-08-01), Yamashita

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