Speed control apparatus for use with electric sewing machine

Details Speed control apparatus for use with electric sewing machine Speed control apparatus for use with electric sewing machine

1978-11-29

1980-08-19

Nerbun, Peter P.

Sewing

Elements

Starting or stopping

D05B 6918

Patent

active

042178410

ABSTRACT:
A speed control apparatus for use with an electric sewing machine having a motor drive control device for controlling the drive of the motor. The apparatus comprises a sensing device which can be optionally touched by the operator of the sewing machine, and a sensing signal generating circuit adapted to generate a signal in response to an electric change which is caused when the human body touches the sensing device, the arrangement being such that in response to the operator of the sewing machine touching the sensing device, the sensing signal generating circuit gives a predetermined signal to the motor drive control device, thereby stopping the drive of the motor.

REFERENCES:
patent: 4075961 (1978-02-01), Harris
patent: 4150634 (1979-04-01), Brown et al.

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