Movable electrical potentiometer contact assembly

Details Movable electrical potentiometer contact assembly Movable electrical potentiometer contact assembly

1993-09-16

1995-06-06

Cusick, Ernest G.

Electricity: circuit makers and breakers

Electric switch details

Contact

200264, 200536, 200550, H01H 116

Patent

active

054224527

ABSTRACT:
A movable electrical contact assembly forms a potentiometer and includes at least one strip of electrically conductive material having a significant resistance, a conductive rolling contact device in contact with the strip, a mechanism for moving the rolling contact device along the strip, and the rolling contact device or the strip being made of a deformable conductive material. In one preferred embodiment, two strips are provided at least one of which has a significant resistance. Also in one embodiment, the rolling contact device is deformable and is defined by a conductive elastomeric contact roller.

REFERENCES:
patent: 3859488 (1975-01-01), Jones
patent: 4139071 (1979-02-01), Tackett
patent: 4614849 (1986-09-01), Miller
patent: 4642427 (1987-02-01), Kratz et al.
patent: 5017744 (1991-05-01), Yoshida
patent: 5051549 (1991-09-01), Takano

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