Shuttle stopper for lock stitch sewing machine

Sewing – Elements – Revolving hooks

Patent

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Details

D05B 5708, D05B 5726

Patent

active

045371423

ABSTRACT:
A stopper device for a lock stitch sewing machine includes a retaining member having a contacting face and which is moved in the downstream direction, with respect to the rotary running direction of the loop taker, when a needle thread loop passes between a contacting face of the bobbin case and such contacting face of the retaining member. This facilitates the passing of the needle thread loop. An arrangement returns the contacting face of the retaining member in the upstream direction.

REFERENCES:
patent: 2990794 (1961-07-01), Ketterer
patent: 3120204 (1964-02-01), Ketterer
patent: 3146744 (1964-09-01), Bradshaw
patent: 4142475 (1979-03-01), Zocher
patent: 4363282 (1982-12-01), Satake

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