Slide resistor

Details Slide resistor Slide resistor

1977-06-24

1978-12-26

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338176, 338184, 338188, 338202, H01C 1044

Patent

active

041318706

ABSTRACT:
An elongate bar of electrically conductive material and having a generally U-shaped cross-section carries on the inner side of one of its legs a support with a resistance layer facing towards the other leg. A slider is guided between the two legs of the bar and has a contact spring, one contact tongue of the spring bearing on the resistance layer and another contact tongue bearing on the opposite, second leg of the bar forming a collector element. A nose formed on the slider engages a groove which exists between the resistance element and the bent free end of the one leg of the elongate bar, to guide the slider. A cover plate overlies the opening of the U-shaped cross-section of the elongate bar. An operating knob is disposed outside the cover plate and extends through a slot in the cover plate operatively to engage the slider.

REFERENCES:
patent: 3887892 (1975-06-01), Rozema et al.
patent: 3928838 (1975-12-01), Leppek
patent: 4005381 (1977-01-01), Klug

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