Sewing machine having automatic feed control system

Details Sewing machine having automatic feed control system Sewing machine having automatic feed control system

1975-04-17

1976-09-14

Schroeder, Werner H.

Sewing

Stitch forming

Chain or double chain

11212111, D05B 2708

Patent

active

039800326

ABSTRACT:
Fabric lengths are monitored during and/or prior to sewing by sensing means in conjunction with a logic system. Differences in fabric ply lengths are compensated for by the logic systems control via stepping motors of the differential feed assembly located above and below the fabric plies.

REFERENCES:
patent: 2934753 (1960-04-01), Laman
patent: 3013513 (1961-12-01), Judelson
patent: 3867889 (1975-02-01), Conner, Jr.

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