Slide rheostat

Details Slide rheostat Slide rheostat

1981-07-16

1983-01-18

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338176, 338184, 338199, H01C 1030

Patent

active

043694241

ABSTRACT:
A slide rheostat comprising a metal case whose lower surface is open and which is formed with a longitudinal slot in its upper surface portion, an insulating frame which includes an upper surface portion sufficiently larger in width and length than the slot and a pair of elastic engaging pieces slightly inclining outwardly of its end surface portions, an insulating substrate on which an elongate resistor and an elongate collector are formed, a slider which includes elastic metal members adapted to slide in contact with the resistor and the collector respectively, and an insulating slider carrier to which the slider is fastened. When the frame, the slider carrier and the insulating substrate are assembled with the case, the resistor and the collector are shielded from the slot of the case by the upper surface portion of the frame. The slide rheostat is installed on a mounting plate by snapping the elastic engaging pieces of the frame into a hole provided in the mounting plate.

REFERENCES:
patent: 3566330 (1971-02-01), Ichikawa et al.
patent: 3609623 (1971-09-01), Zdanys, Jr.
patent: 3676827 (1972-07-01), Nomura
patent: 3966550 (1976-12-01), Yano et al.
patent: 4101864 (1978-07-01), Van Benthuysen

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