Electronic sewing machine

Details Electronic sewing machine Electronic sewing machine

1983-05-16

1985-01-29

Nerbun, Peter

Sewing

Work manipulating

Guides

112158E, 1122641, D05B 308

Patent

active

044958781

ABSTRACT:
An electronic sewing machine capable of forming a buttonhole having a circular stitching part. The machine has manually operated members for setting thread thickness and button size. A stitch data generator is provided, which is capable of selectively generating one of plural different groups of stitch data for forming different buttonholes which have a different number of stitches at their circular stitching part. The specific group of stitch data is selected according to code signals fed in accordance with the positions of the manually operated members. The position of each stitch contained in the circular stitching part of the buttonhole is determined by each stitch data of the selected group. Thus, the desired buttonhole is sewn neatly without crowded or lean stitches.

REFERENCES:
patent: 4191121 (1980-03-01), Eguchi
patent: 4331089 (1982-05-01), Widmer
patent: 4370938 (1983-02-01), Bergvall

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