Variable resistor

Details Variable resistor Variable resistor

1994-08-11

1997-02-04

Hoang, Tu B.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338176, H01C 1032

Patent

active

056002980

ABSTRACT:
A wiper and a rotor are held to be rotatable with respect to a substrate which is provided on its one major surface with an arcuately extending resistive element. A contact member sliding along the resistive element is formed by bending a portion integrally extending from a wiper body. The wiper is integrally provided with a detent member, which is so formed as to bridge two points of a peripheral edge portion of the wiper body. The detent member engages with the rotor, thereby providing a clutch mechanism for stably transmitting rotation of the rotor to the wiper for rotating the rotor and the wiper along with each other until the wiper is inhibited from the rotation.

REFERENCES:
patent: 3683308 (1972-08-01), Hamill
patent: 4427966 (1984-01-01), Gratzinger et al.
patent: 4646055 (1987-02-01), Watanabe et al.
patent: 5047746 (1991-09-01), Stilwell et al.

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