Sewing machine control device

Details Sewing machine control device Sewing machine control device

1985-05-31

1987-04-28

Nerbun, Peter

Sewing

Stitch forming

Feeding work material

D05B 6918, D05B 6920

Patent

active

046604839

ABSTRACT:
A sewing machine control device including a sewing machine head with a feed reversing mechanism, a position detector for detecting the position of a needle of the sewing machine head, a stitching setting mechanism for instructing the number of stitches for reverse stitching, and a reverse stitching control section for controlling the feed reversing mechanism. Sewing machine operating speed data is applied to the control section, and according to the sewing machine operating speed data thus applied, the timing of instructing the driving of the feed reversing mechanism is automatically varied. Thus, the time instant when the number of stitches actually sewed reaches the instructed number of stitches is made to coincide with the time instant when the feed reversing mechanism is actually operated.

REFERENCES:
patent: 4340002 (1982-07-01), Hanyu et al.
patent: 4509445 (1985-04-01), Fujikawa et al.
patent: 4548143 (1985-10-01), Martell et al.

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