Rotary switch

Details Rotary switch Rotary switch

1986-12-22

1988-05-31

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200277, 200 4308, H01H 1958

Patent

active

047482974

ABSTRACT:
A miniature rotary switch having nested terminals in its bottom wall, and a disc shaped movable contact element arranged in a rotatable member such that a portion of the disc periphery rolls and slides across fixed contacts defined by the upper ends of these terminals. The rotatable member is restrained from movement axially in a cylindrical chamber defined for it by either a one piece housing, or in a key switch version by a two piece housing.

REFERENCES:
patent: 1873527 (1932-08-01), Anfinnsen et al.
patent: 2834842 (1958-05-01), LeBeau
patent: 3294929 (1966-12-01), Johnson
patent: 3346707 (1967-10-01), Bock et al.
patent: 3394236 (1968-07-01), Grundig et al.
patent: 3803370 (1974-04-01), Garcia
patent: 3974348 (1976-08-01), Lipschutz
patent: 3983352 (1976-09-01), Ellis, Jr. et al.
patent: 4258237 (1981-03-01), Beck
patent: 4639562 (1987-01-01), Fredrickson

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