Switching mechanism of control amount in electronic control sewi

Details Switching mechanism of control amount in electronic control sewi Switching mechanism of control amount in electronic control sewi

1984-01-16

1985-12-24

Nerbun, Peter

Sewing

Stitch forming

Zigzag

112459, D05B 302

Patent

active

045598878

ABSTRACT:
An electronic control sewing machine for producing stitching patterns by storing as programs in a memory the pattern signals for the amount of needle bar amplitude and the amount of fabric feed, includes control motors having output shafts which have rotational outputs and are driven in response to the pattern signals per rotation of the sewing machine. The machine further includes pawl members having pawls, and cam bodies positioned on the output shafts of the control motors and each including a plurality of cam faces. The pawl members and the pawls are switched to different ones of the plurality of cam faces by the control motors in accordance with the programs stored in the memory of the sewing machine.

REFERENCES:
patent: 4196683 (1980-04-01), Eguchi
patent: 4299180 (1981-11-01), Kume et al.

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