Multiple pattern sewing machine

Details Multiple pattern sewing machine Multiple pattern sewing machine

1979-08-10

1981-08-18

Nerbun, Peter P.

Sewing

Work manipulating

Guides

D05B 302

Patent

active

042840163

ABSTRACT:
A control apparatus for a multiple pattern sewing machine. Included in the sewing machine are a means for controlling the displacement of a feed mechanism for feeding a cloth and a means for controlling the displacement of a bight mechanism for swinging a sewing needle in the direction crossing the cloth feeding direction. A plurality of switching devices are provided for selectively coupling to the feed control means a plurality of different amplitude reference signals for controlling the feed mechanism. A plurality of switching devices are provided for selectively coupling to the bight control means a plurality of different amplitude reference signals for controlling the bight mechanism. Counter means, which are responsive to a timing signal generated for each stitch in the pattern, are provided for making a stepping operation for selectively rendering conductive the switching devices of the feed switching means and the bight switching means for each stepping operation.

REFERENCES:
patent: 3984745 (1976-10-01), Minalga
patent: 4016821 (1977-04-01), Minalga
patent: 4182249 (1980-01-01), Matumura etal.

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