Electricity: circuit makers and breakers – Special application – Liquid or moisture responsive
Patent
1981-09-08
1986-05-13
Marcus, Stephen
Electricity: circuit makers and breakers
Special application
Liquid or moisture responsive
200 16R, 200159A, H01H 520, H01H 1338
Patent
active
045888779
ABSTRACT:
A thin type push-button switch of momentary operation, comprising a movable contact piece which includes an inversion portion and arms formed in a manner to hold the inversion portion therebetween. The inversion portion is formed with a movable contact portion having tongues, and is integrally formed of a resilient metal sheet. A case includes a groove held in engagement with one of the arms and stationary contacts are fixed within the case. A slider includes a push-button portion and a groove held in engagement with the other arm and is slidable with respect to the case. When the push-button portion is depressed, the inversion portion of the movable contact piece is inverted to electrically connect the movable contact portion and the stationary contacts. When the depressing force is released, the inversion portion is restored by the resiliency of the movable contact piece, to disconnect the movable contact portion and the stationary contacts.
REFERENCES:
patent: 3899648 (1975-04-01), Murata
patent: 4002871 (1977-01-01), Sims, Jr.
patent: 4002879 (1977-01-01), Sims, Jr.
patent: 4249055 (1981-02-01), Matsuo
patent: 4398070 (1983-08-01), Rondo et al.
patent: 4405895 (1983-09-01), Kondo et al.
patent: 4426559 (1984-01-01), Kondo et al.
Akazawa Michitada
Kondo Shiro
Mizuta Ken
Alps Electric Co. ,Ltd.
Cusick Ernest G.
Marcus Stephen
Shoup Guy W.
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