Momentary rotary switch

Details Momentary rotary switch Momentary rotary switch

1987-07-30

1989-02-07

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 11C, 200 11K, 200 4308, H01H 1558, H01H 2708

Patent

active

048033146

ABSTRACT:
A rotary key switch has a momentary action such that a lock cylinder and control member are returned to normal positions by a torsion spring provided in a central bore of the control member. The switch housing is in two parts, a lower body portion and an upper panel mounted cap portion that also supports the lock cylinder. The lower portion defines a cylindrical cavity and supports the control member on a central post that is also provided in this central bore. The housing portions are telescopically secured to one another and a stop is deformed in part by the control member and the panel mounted cap portion to positively limit the rotation of the key and lock cylinder.

REFERENCES:
patent: 1873527 (1932-08-01), Anfinnsen
patent: 2695932 (1954-11-01), Jacobi et al.
patent: 2834842 (1958-05-01), LeBeau
patent: 3294929 (1966-12-01), Johnson
patent: 3394236 (1968-07-01), Grundig et al.
patent: 3803370 (1974-04-01), Garcia
patent: 3974348 (1976-08-01), Lipschutz
patent: 4345121 (1982-08-01), Tenner
patent: 4558193 (1985-12-01), Test
patent: 4623763 (1986-11-01), Krause
patent: 4639562 (1987-01-01), Fredrickson
patent: 4748297 (1988-05-01), Sorenson et al.

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