Variable resistance control

Details Variable resistance control Variable resistance control

1974-11-15

1976-06-01

Mayewsky, Volodymyr Y.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338 48, 338137, 338163, H01C 1034

Patent

active

039613020

ABSTRACT:
A variable resistance control employs a substrate provided with a center aperture and a plurality of corner and intermediate locator means disposed about the periphery of the substrate. An adjusting; means constraining a contactor to rotate therewith is journaled in the aperture and the contactor wipingly engages a film type resistive path disposed on the surface of the subsrate. A first plurality of terminal members are disposed in the corner locator means of the substrate a first distance from the aperture. A second plurality of terminal members are disposed in a predetermined number of said intermediate locator means a second distance from the aperture at a distance closer than said first distance. At least one of the terminal members disposed in said intermediate locator means is in an interference path with a projection extending from the adjusting means to arrest rotation of the adjusting means.

REFERENCES:
patent: 2678985 (1954-05-01), Smith, Jr.
patent: 2883499 (1959-04-01), Kilby et al.
patent: 3015793 (1962-01-01), Fraser et al.
patent: 3362003 (1968-01-01), Beitner et al.
patent: 3585559 (1971-06-01), Rosema et al.
patent: 3855564 (1972-12-01), Dumas

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