Overlock sewing machine

Details Overlock sewing machine Overlock sewing machine

1989-05-22

1990-01-16

Schroeder, Werner H.

Sewing

Elements

Needles

D05B 8702

Patent

active

048935735

ABSTRACT:
The invention discloses an overlock sewing machine equipped with a threading unit of very simple configuration, which comprises a shaft having a threading member fixed thereon and a mechanism (including arm and disc elements) for determining the rotation timing of the shaft.

REFERENCES:
patent: 1260611 (1918-03-01), Welling
patent: 1266741 (1918-09-01), Martinelli
patent: 1803918 (1931-05-01), Rozdilski
patent: 3308778 (1967-03-01), Nakajima
patent: 3400678 (1968-09-01), Bennison

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