Miniature variable resistor

Details Miniature variable resistor Miniature variable resistor

1980-03-21

1982-01-05

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338184, 338199, H01C 1032

Patent

active

043096905

ABSTRACT:
A miniature variable resistor comprising an insulating substrate provided with a hole therethrough. A resistance pattern which is carried on a front surface of the insulating substrate in a manner to surround the hole, and a hollow rotor of insulating synthetic resin is provided with an operating portion and a slidable contact portion slidable on the front surface. A slide member is unitarily embedded in the rotor and which has elastic protuberant pieces protruding into the hollow portion of the rotor, and a shaft member which protrudes beyond the hole from a rear surface of the insulating substrate is fitted tightly in the hollow portion of the rotor.

REFERENCES:
patent: 3032734 (1962-05-01), Zunker et al.
patent: 3377605 (1968-04-01), Baskett
patent: 3380011 (1968-04-01), Baskett

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