Control for a differential feed regulating device in sewing mach

Details Control for a differential feed regulating device in sewing mach Control for a differential feed regulating device in sewing mach

1977-09-28

1979-02-20

Schroeder, Werner H.

Sewing

Stitch forming

Chain or double chain

D05B 2708

Patent

active

041400704

ABSTRACT:
An adjusting apparatus contained within the base of a sewing machine for selectively setting the desired limits of travel of the differential feed dog relative to that of the main feed dog and a manual actuating device operatively associated with the adjusting apparatus for causing the differential feed dog to travel within the limits governed by the adjusting apparatus when desired.

REFERENCES:
patent: 2009747 (1935-07-01), Sauer
patent: 2669205 (1954-02-01), Hayes
patent: 3357384 (1967-12-01), Washburn
patent: 3368507 (1968-02-01), Orth
patent: 3382827 (1968-05-01), Von Hagen
patent: 3467040 (1969-09-01), Hacklander
patent: 3611817 (1971-10-01), Smith et al.
patent: 3834334 (1974-09-01), Adams et al.
patent: 4027609 (1977-06-01), Kerr
patent: 4067274 (1978-01-01), Marforio

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