Electronic sewing machine

Details Electronic sewing machine Electronic sewing machine

1983-05-16

1985-03-05

Nerbun, Peter

Sewing

Work manipulating

Guides

112158E, 1122641, D05B 306, D05B 302

Patent

active

045024014

ABSTRACT:
An electronic sewing machine capable of sewing a buttonhole having a circular stitching part. The machine is operative selectively in one of automatic and manual modes. In the automatic mode, bight position of a needle and feed position of a feed dog are automatically controlled according to stored bight and feed data. In the manual mode, the bight and feed positions determined by the stored data are adjusted by a data adjusting circuit. The machine comprises a circuit which supplies the data adjustment circuit with a signal to inhibit the adjustment of at least the feed data for each stitch to be formed in the circular stitching part.

REFERENCES:
patent: 4159685 (1979-07-01), Wurst
patent: 4409913 (1983-10-01), Adams et al.
patent: 4409915 (1983-10-01), Eguchi et al.
patent: 4413577 (1983-11-01), Minalga et al.

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