Push button electric switch

Details Push button electric switch Push button electric switch

1985-05-13

1987-04-07

Marcus, Stephen

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200 67R, 200159R, 200 77, 74100R, H01H 1326, H01H 500

Patent

active

046563237

ABSTRACT:
A push button electric switch including a pair of fixedly mounted spaced contacts and an actuator for moving a conductive ball into and out of bridging engagement with the contacts. The actuator is coupled to a toggle mechanism which produces an increasing reaction force as the actuator is depressed until the force abruptly diminishes, providing a "snap" feel, when the actuator reaches a position corresponding to the bridging of the contacts.

REFERENCES:
patent: 2991343 (1961-07-01), Norden
patent: 3032620 (1962-05-01), Siiberg
patent: 3045082 (1962-07-01), Mason
patent: 3072768 (1963-01-01), Happe et al.
patent: 3294929 (1966-12-01), Johnson
patent: 3539736 (1970-11-01), Naimer
patent: 3912894 (1975-10-01), Mullen et al.
patent: 4006333 (1977-02-01), Hults
patent: 4031345 (1977-06-01), Garcia
patent: 4061895 (1977-12-01), Hults
patent: 4427856 (1984-01-01), Atsumi et al.
patent: 4466302 (1984-08-01), Harris
patent: 4520243 (1985-05-01), McIntyre

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