Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
Patent
1978-06-29
1979-10-23
Albritton, C. L.
Electrical resistors
Mechanically variable
Movable contact electrically adjustable over length of...
338183, H01C 1038
Patent
active
041722485
ABSTRACT:
Disclosed is a variable resistor of a simple construction having a driving mechanism, which can be assembled with ease and which allows contactors movable by an operation lever to be normally held in a predetermined position on a resistance element. The lever can be forcibly moved to vary the output of the resistor, and yet the lever will be returned automatically to its original position when the lever is released from the force exerted thereon.
REFERENCES:
patent: 2273760 (1942-02-01), Nelson
patent: 2627593 (1953-02-01), Tietig
patent: 2900615 (1959-08-01), Gottschall et al.
patent: 2909750 (1959-10-01), Pitzer
Albritton C. L.
Alps Electric Co. ,Ltd.
Dunne Gerard F.
Shoup Guy W.
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