Foot pedal for varying resistance in an electrical circuit

Details Foot pedal for varying resistance in an electrical circuit Foot pedal for varying resistance in an electrical circuit

1986-01-24

1987-01-27

Tolin, G. P.

Electrical resistors

Mechanically variable

Surfaces pressed together

200 865, 338110, H01H 314, H01C 1010

Patent

active

046397108

ABSTRACT:
A foot pedal for varying resistance in an electrical circuit having an on-off control is formed having a base member with an actuator foot plate cover pivotally mounted thereto; an array of circular members is positioned in a circular recess between said base member and cover; said array including a pair of electrode discs spaced by a compressible resistance disc; said compressible resistance disc comprising a flexible elastomer with electro-conductive particulate dispersed therein; said array including an actuating plate which has a spherical joint connection with the actuator foot plate cover; an operator's foot pressure compresses the compressible disc to decrease resistance while a spring opens the pedal device when the operator's foot pressure is removed.

REFERENCES:
patent: Re28595 (1975-10-01), DuRocher
patent: 2305717 (1942-12-01), La Bell
patent: 2445660 (1948-07-01), Bruestle
patent: 2843710 (1958-07-01), Happe
patent: 2951817 (1960-09-01), Myers
patent: 4163204 (1979-07-01), Sado
patent: 4172217 (1979-10-01), Miller

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