Small-sized push-button switch

Details Small-sized push-button switch Small-sized push-button switch

1982-09-28

1984-05-08

Shepperd, John W.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200153J, 200314, H01H 1346

Patent

active

044476850

ABSTRACT:
Disclosed herein is a small-sized push-button switch in which a switching operation is made by depressing a push-button to cause a plunger provided at the lower portion of the push-button to move vertically. The switch mechanism provided within the switch comprises a switch base, an upwardly extending arm having its fulcrum on the switch base and being swung about the fulcrum by the plunger, fixed contacts and movable contacts longitudinally or axially provided on the switch base, and a resilient piece bridged between the other end of the arm and the movable end of the movable contact. At least one switch mechanism is inserted into and mounted on a switch body through a switch auxiliary base. The switch mechanism is disposed relative to the plunger so that the operating direction of the plunger is located at right angles to the switch operating directions of the movable contact relative to the fixed contacts. That is, all the plunger, the movable contact and the fixed contacts are disposed longitudinally or axially.

REFERENCES:
patent: 2583756 (1952-01-01), Wahlberg
patent: 3437775 (1969-04-01), Piber
patent: 3542988 (1970-11-01), Baldasare
patent: 3602663 (1971-08-01), Jones
patent: 3624323 (1971-11-01), Borgmann
patent: 3626132 (1971-12-01), Jungels
patent: 4249055 (1981-02-01), Matsuo
patent: 4357589 (1982-11-01), Payne
patent: 4398075 (1983-08-01), Vogel

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