Thread cutter for chainstitch sewing machine

Details Thread cutter for chainstitch sewing machine Thread cutter for chainstitch sewing machine

1977-06-21

1978-07-04

Hunter, H. Hampton

Sewing

Elements

Thread cutting, severing or breaking

112199, D05B 6502

Patent

active

040982092

ABSTRACT:
A cylinder bed machine provided with a thread cutting device having a retractable and laterally movable assemblage which includes a thread seizing member, a knife and a thread clamp. Upon actuation the assemblage cooperatively moves forwardly and laterally to a predetermined distance from the stitching area whereat the knife and thread clamp are held. The thread seizing member continues forward movement to a position for seizing the threads situated about the looper. Upon return, the seizing member carries the threads to the knife and thread clamp position whereat they are cut and clamped. Once the threads are cut and clamped the assemblage is returned to its initial position. An adjustable guide directs the seizing member through the thread loops formed about the looper.

REFERENCES:
patent: 1491010 (1924-04-01), Hleb
patent: 2176836 (1939-10-01), DeVoe
patent: 3386402 (1968-06-01), Ross
patent: 3405672 (1968-10-01), Ross
patent: 3424115 (1969-01-01), Schopf
patent: 3424117 (1969-01-01), Schopf
patent: 3871307 (1975-03-01), Scott et al.
patent: 3901171 (1975-08-01), Rosa

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