Overedge stitch sewing device

Sewing – Stitch forming – Overseaming

Patent

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Details

112199, D05B 120

Patent

active

054656745

ABSTRACT:
An overedge stitch sewing device comprising a straight sewing needle and a lower looper that travels in a curved path and has advanced timing relative to the sewing needle. The device may also contain a needle thread cam which is shaped such that the needle thread is in partial contact with the front surface of the needle thread cam during the needle stroke.

REFERENCES:
patent: 3398709 (1968-08-01), Koninck
patent: 3881434 (1975-05-01), Kelly
patent: 4782776 (1988-11-01), Raikov
Union Special Catalogue: Overedge Stitch Formation Type 504, 1978.
Union Special Catalogue: EV-900 Class PRT-9104 Parts Manual, Dec. 1991.
Union Special Catalogue: Class 39500 Mark IV Single Needle Two or Three Differential Feed Overseaming Machines, Apr. 1980.
Union Special Catalogue: HV 200 Series Adjusting Instructions and Parts List, Sep. 1989.
Juki Catalogue: Overlock and Safety Stitch Industrial Sewing Machine Engineer's Manual, MO-2550N and MO-2400N Series, Sep. 1990.

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