Cyclic sewing machine

Details Cyclic sewing machine Cyclic sewing machine

1981-09-08

1984-06-26

Nerbun, Peter P.

Sewing

Elements

Starting or stopping

112 67, 11212112, D05B 6922

Patent

active

044559569

ABSTRACT:
A sewing machine in which the start and stop of a main shaft is controlled by a cam mechanism through a motion control mechanism at the sewing cycle corresponding to a predetermined number of stitches. The working position of a work holder is controlled by positional data in original instructions stored in a memory. Additional instruction corresponding to the number of stitches to reach the next stop time point controlled by the cam mechanism is prepared for back-tacking, unless the number of stitches corresponding to the original instructions are equal to an integral multiple of the predetermined number of stitches.

REFERENCES:
patent: 3705561 (1972-12-01), Sakawa
patent: 3965830 (1976-06-01), Dorosz
patent: 4373461 (1983-02-01), Sano

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