Stepper driven work feed patterning for sewing machines

Details Stepper driven work feed patterning for sewing machines Stepper driven work feed patterning for sewing machines

1989-02-01

1990-01-23

Falik, Andrew M.

Sewing

Stitch forming

Feeding work material

112317, D05B 2700

Patent

active

048950890

ABSTRACT:
A sewing machine employs stepper motor actuated control for magnitude and direction of work feed including operator influenced feed balancing cam apparatus for shifting the stepper motor actuated control axially relative to or with a stepper motor shaft in order to attain parity between forward and reverse directions of work feed.

REFERENCES:
patent: 4167912 (1979-09-01), Sedlatschek et al.
patent: 4183314 (1980-01-01), Sato
patent: 4499839 (1985-02-01), Blackwood et al.

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