Hermetically sealed electrical switch

Details Hermetically sealed electrical switch Hermetically sealed electrical switch

1999-09-14

2000-09-19

Friedhofer, Michael

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

2003021, H01H 904

Patent

active

061215619

ABSTRACT:
In a preferred embodiment, a hermetically sealed electrical switch, including: a housing; a bellows having a closed end and an open end, with the open end sealingly attached to the housing such that a first volume defined by interior surfaces of the housing and exterior surfaces of the bellows is hermetically sealed from external environment and such that a second volume defined at least in part by interior surfaces of the bellows is in communication with the external environment; switching apparatus disposed in the first volume; switch actuator apparatus at least partially disposed in the second volume; and wherein depression of the switch actuator apparatus against the closed end of the bellows causes the closed end of the bellows to press against and actuate the switching apparatus.

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