Brush contact

Details Brush contact Brush contact

1975-07-30

1976-08-10

Albritton, C. L.

Electrical resistors

Movable contact structure

113119, 338171, H01C 112

Patent

active

039744710

ABSTRACT:
A wiper brush contact of miniature and microminiature size for use in potentiometers, variable resistors and the like, and including a plurality of densely arranged spring fingers projecting from a plate-like base portion in such angular offset relation to the plane of the base portion that the fingers are disposed in side-by-side closely spaced or even light contacting relationship but with the fingers being free to flex independently of one another to independently follow irregularities in cermet and metal film tracks of various types used in microminiature assemblies of the type contemplated; and with the base plate portion and spring contact fingers formed from a flat stamping with subsequent offsetting and orientation of the fingers relative to one another and to the base portion.

REFERENCES:
patent: 2248675 (1941-07-01), Huppert
patent: 3569897 (1971-03-01), Laube et al.

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