Sliding resistor

Details Sliding resistor Sliding resistor

1977-01-19

1977-08-30

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338184, 338199, H01C 1038

Patent

active

040457656

ABSTRACT:
A sliding resistor comprises a case bored with a groove in which a slider is slidably received, the slider having a sliding element formed of a leaf spring provided on the bottom plane for abutment against resistance elements mounted on a base plate. The case and slider are both molded, for example, from plastic material. The inner wall of the groove of the case has a cross section formed of a curved plane including a fractional circular portion or a polygonal plane except for the rectangular plane. The peripheral surface of the slider contacting with the inner wall of the groove has substantially the same form as that of the cross section of the inner wall of the groove of the case.

REFERENCES:
patent: 3504326 (1970-03-01), Campbell
patent: 3551871 (1970-12-01), Eberwein et al.
patent: 3671915 (1972-06-01), Sasaki et al.
patent: 3735327 (1973-05-01), Rozema et al.

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