Electric sewing machine

Details Electric sewing machine Electric sewing machine

1979-06-05

1981-05-05

Nerbun, Peter P.

Sewing

Work manipulating

Guides

112158E, 112275, D05B 302, D05B 306

Patent

active

042651883

ABSTRACT:
The present invention is directed to an electric sewing machine provided with a button hole sewing device which comprises a plurality of cams each individually bearing information of tacking stitches, left side stitches of a button hole and right side stitches of the button hole, means for instructing button hole stitching operation and an electric control circuit arrangement which operates to select the cam for tacking stitches upon operation of the instructing means and to select the cam for one of the side stitches automatically after a predetermined number of the tacking stitches are perfected.

REFERENCES:
patent: 4077341 (1978-03-01), Kasuga
patent: 4080914 (1978-03-01), Ishida
patent: 4106418 (1978-08-01), Hayashi
patent: 4161150 (1979-07-01), Brown

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