Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
Patent
1977-08-12
1978-11-21
Albritton, C. L.
Electrical resistors
Mechanically variable
Movable contact electrically adjustable over length of...
338176, 338180, 338199, H01C 102
Patent
active
041268466
ABSTRACT:
A variable resistor constructed from a minimum of parts, includes a housing having longitudinal grooves adapted to retain a base plate carrying a resistance element. The base plate can be inserted in one end of the grooves and slid forwardly until its leading edge abuts a stop on the housing. Latching portions carried by the housing and spaced rearwardly from the stop, engage behind step portions on the base plate to prevent it from sliding rearwardly from the housing.
REFERENCES:
patent: 2242327 (1941-05-01), Rubinstein
patent: 2935715 (1960-05-01), Bourns et al.
patent: 3622934 (1971-11-01), Yano et al.
patent: 3639880 (1972-02-01), Oka
patent: 3671915 (1972-06-01), Sasaki et al.
patent: 4047146 (1977-09-01), Takeyama
Nomura Yukihiko
Sato Kazuo
Sugawara Kohji
Takamura Shuji
Tanaka Masami
Albritton C. L.
Alps Electric Co. ,Ltd.
Dunne Gerard F.
Shoup Guy W.
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