Electronic sewing machine

Details Electronic sewing machine Electronic sewing machine

1990-10-29

1993-03-02

Nerbun, Peter

Sewing

Elements

Driving mechanisms

112231, 11212111, 1122621, D05B 6910

Patent

active

051899710

ABSTRACT:
An electronic sewing machine whose needle bar assembly is made to reciprocate by means of a pair of cooperating solenoids in conjunction with a bobbin driven by a stepping motor to accomplish the sewing. The stepping motor's steps are made variable programmatically by a CPU attached to the machine such that the tightness of a stitch may be controlled. Additionally, the machine may be programmed to deliver a defined number of stitches in a defined number of stitch runs, position the needle up or down, report a variety of accounting and maintenance data and can be taught to perform a variety of sewing runs.

REFERENCES:
patent: 3425376 (1969-02-01), Brynge et al.
patent: 4241680 (1980-12-01), Hinch et al.
patent: 4917031 (1990-04-01), Itoh

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