Variable resistor device

Details Variable resistor device Variable resistor device

1974-12-27

1976-10-19

Mayewsky, Volodymyr Y.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338184, 338202, H01C 902

Patent

active

039873897

ABSTRACT:
Herein disclosed is a variable resistor device which may be used as a tuner in an electric appliance such as a television receiver and a stereophonograph, which resistor device comprises a support member having a base wall portion and at least one end wall portion perpendicular to the base wall portion, an elongate resistance element on the inner face of the base wall portion, a control shaft rotatable on the end wall portion and having a threaded axial portion extending over the resistance element, a slider having a contact portion elastically forced against the resistance element and an edge portion in mating engagement with the threaded axial portion of the control shaft for providing electrical connection between the resistance element and the shaft, and an electrically conductive retainer for holding the control shaft in position relative to the support member while permitting the control shaft to rotate about its axis. Features of the device include ease of assemblage and reliability of operation.

REFERENCES:
patent: 3639879 (1972-02-01), Rooijen
patent: 3742421 (1973-06-01), Rooijen
patent: 3815076 (1974-06-01), Aoki
patent: 3868621 (1975-02-01), Kitamura et al.
patent: 3918023 (1975-11-01), Zdamys

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