Push button switch having sealing bellows

Details Push button switch having sealing bellows Push button switch having sealing bellows

1992-04-09

1992-11-17

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

2003021, H01H 1306, H01H 904

Patent

active

051645610

ABSTRACT:
An electrical switch includes a switch casing having an open side; a plunger received in the switch casing and projecting through the open side; a guide defined in the switch casing for guiding the plunger to perform sliding motions in response to an external force exerted thereon; a switching mechanism accommodated in the switch casing for cooperating with the plunger to make or break an electric contact in response to a sliding displacement of the plunger; a lid closing the open side of the switch casing; a sealing arrangement for sealingly securing the lid to the switch casing; and a bell-shaped resilient bellows formed on the lid as an integral part thereof. The bellows projects outwardly from the open side and sealingly surrounds the plunger.

REFERENCES:
patent: 2854536 (1958-09-01), Beer
patent: 3037099 (1962-05-01), Aandewiel
patent: 4128744 (1978-12-01), Seeger
patent: 4471189 (1984-09-01), Bacon et al.
patent: 4652706 (1987-03-01), Rao et al.
patent: 4673780 (1987-06-01), Kenway
patent: 4766272 (1988-08-01), Guzzon
patent: 4918270 (1990-04-01), Orrico
patent: 5008505 (1991-04-01), Takano et al.

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