Conductive plastic multi-turn potentiometer

Details Conductive plastic multi-turn potentiometer Conductive plastic multi-turn potentiometer

1977-10-27

1979-05-01

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338171, 338185, 338202, 338311, H01C 1024

Patent

active

041526872

ABSTRACT:
A resistance element comprises an insulating cylinder having a helical thread groove on the outer surface thereof. A resistive channel is supported by the groove and a multi-strand wiper is guided by a follower which rides in the root of the channel. The resistance material on the sides of the groove may be notched for purposes of calibration.

REFERENCES:
patent: 1767715 (1930-06-01), Stoekle
patent: 1767715 (1930-06-01), Stoekle
patent: 2662146 (1953-12-01), Wilentchik
patent: 2662149 (1953-12-01), Wilentchik
patent: 2775673 (1956-12-01), Johnson
patent: 2917814 (1959-12-01), Ruckelshaus
patent: 2938396 (1960-05-01), Nicolosi et al.
patent: 2962393 (1960-11-01), Ruckelshaus
patent: 3175278 (1965-03-01), Fuller
patent: 3564476 (1971-02-01), Barden
patent: 3648216 (1972-03-01), Rector
patent: 3659339 (1972-05-01), Yamaguchi

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