Movable wiper for potentiometers

Details Movable wiper for potentiometers Movable wiper for potentiometers

1979-06-20

1980-12-02

Albritton, C. L.

Electrical resistors

Movable contact structure

338171, H01C 112

Patent

active

042374430

ABSTRACT:
A wiper for a potentiometer or other device having a surface with which sliding electrical contact is to be made in which the wiper includes a plurality of spring fingers formed from resilient sheet material or wire are supported in cantilever fashion from ends thereof remote from the contact ends and are encased over a portion of the lengths thereof from the supported ends in a covering of an elastomer which damps vibration of the fingers to prevent resonant oscillations thereof thus increasing the possible speed of operation of the instrument as well as its useful life.

REFERENCES:
patent: 2266156 (1941-12-01), Brauer
patent: 2952827 (1960-09-01), Semple et al.
patent: 3188407 (1965-06-01), Augerinos
patent: 3194931 (1965-07-01), Plasko et al.
patent: 3258571 (1966-06-01), Schmidt, Jr.
patent: 3597720 (1971-08-01), Burgess
patent: 3704436 (1972-11-01), Froebe et al.

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