Slide-type potentiometer

Details Slide-type potentiometer Slide-type potentiometer

1979-03-15

1981-02-17

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338160, H01C 1038

Patent

active

042517966

ABSTRACT:
A slide-type potentiometer for speed control of electric motors under control of a foot-pedal actuator mechanism comprising an actuating rod reciprocatably movable in the longitudinal directions thereof, a spring member for urging the actuating rod in one of the longitudinal directions, a contact supporting member having an electrical contact secured thereto and mounted on the actuating rod so as to be movable in the longitudinal directions along with the actuating rod, a resistor element positioned such that the electrical contact member is slidably moved on the resistor element upon movement of the actuating rod, and a housing for enclosing the contact supporting member and the resistor element, the housing has a through-hole through which one end portion of the actuating rod extends outwardly.

REFERENCES:
patent: 1559427 (1925-10-01), Hemphill
patent: 2192714 (1940-03-01), Norman et al.
patent: 2900615 (1959-08-01), Gottschall et al.
patent: 2904766 (1959-09-01), McMillan
patent: 2909750 (1959-10-01), Pitzer
patent: 3392360 (1968-07-01), Guggenheim et al.

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