Speed setting device for an electric sewing machine

Details Speed setting device for an electric sewing machine Speed setting device for an electric sewing machine

1987-11-06

1988-10-04

Hunter, H. Hampton

Sewing

Elements

Starting or stopping

112275, D05B 6936

Patent

active

047748990

ABSTRACT:
A flat touch switch having plural switch components with rotation speeds of the sewing machine shaft indicated on each component is positioned in the region of the needle bar. Pushing a component part of the switch drives the machine at the indicated speed. A control logic circuit senses the pushed component and by sensing the speed of the driven shaft, drives the machine at the selected speed.

REFERENCES:
patent: 4137860 (1979-02-01), Yoneji et al.
patent: 4331890 (1982-05-01), Makino et al.
patent: 4401042 (1983-08-01), Hanyu et al.
patent: 4554879 (1985-11-01), Eguchi
patent: 4630212 (1986-12-01), Shigeta
patent: 4648339 (1987-03-01), Fujikawa
patent: 4693197 (1987-09-01), Tami

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