Semi-fixed type variable resistor

Details Semi-fixed type variable resistor Semi-fixed type variable resistor

1978-12-07

1980-08-26

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338174, H01C 1032

Patent

active

042197961

ABSTRACT:
A semi-fixed type variable resistor for use in electrical and electronic equipment which includes an electrically insulating substrate, a semi-circular resistor member formed on the substrate, a slider member of similar semi-circular shape rotatably mounted on the substrate to slide over the resistor member, and a cover member rotatably mounted on the substrate and also serving as a knob for rotating the slider member. The cover member has a protrusion formed at the forward end portion of its shaft so as to be readily engaged with a sleeve portion of a conductive plate provided on the substrate for reduction in cost and improvement of reliability of the variable resistor.

REFERENCES:
patent: 3032734 (1962-05-01), Zunker et al.

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