Electronic sewing machine with a stitch pattern adjusting device

Details Electronic sewing machine with a stitch pattern adjusting device Electronic sewing machine with a stitch pattern adjusting device

1979-07-27

1981-04-14

Nerbun, Peter P.

Sewing

Work manipulating

Guides

D05B 302

Patent

active

042612713

ABSTRACT:
A sewing machine with an electronic memory stores stitch control signals which are sequentially read out in synchronism with rotation of the upper drive shaft. Pattern selecting switches are operated to select a pattern of stitches, each stitch being produced by needle swinging amplitude and feeding amount predetermined by a selected set of stitch control signals of the memory and manually influenced stitch adjusting means to vary either the needle swinging amplitude or feeding amount for fine adjustment of the selected pattern.

REFERENCES:
patent: 3984745 (1976-10-01), Minalga
patent: 4177744 (1979-12-01), Wurst et al.

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