Electric manual switching device having environmentally protecte

Details Electric manual switching device having environmentally protecte Electric manual switching device having environmentally protecte

1987-01-30

1989-02-07

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

H01H 1306

Patent

active

048033235

ABSTRACT:
In an electric manual switching device, a printed circuit board is to be protected from environmental influences. For this purpose, a foil continuously extending over the printed circuit board is provided in the switch housing between switching contacts and pushbuttons. The foil can be a flat component or a part shaped like a bag.

REFERENCES:
patent: 3911241 (1975-10-01), Jarrard
patent: 3995128 (1976-11-01), Hawkins
patent: 4066870 (1978-01-01), Colten
patent: 4352968 (1982-10-01), Pounds
patent: 4545375 (1985-10-01), Cline
Elliot, J. F., Dustproof Switch, Jan. 1969, IBM Tech Disclosure-vol. 11, 8, p. 1006.

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