Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1981-06-08
1983-07-19
Shepperd, John W.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200292, 200340, H01H 1352
Patent
active
043945554
ABSTRACT:
A printed circuit board carrying a keyboard switch is mounted perpendicularly to a switch panel. An actuator having a push button portion extending through an aperture in the panel is pivotally mounted for movement about an axis parallel to both the panel and the circuit board. An operator portion of the actuator extends into contact with the switch so that a force on the push button generally parallel to the circuit board effects switch operation in a direction perpendicular to the circuit board.
REFERENCES:
patent: 3484632 (1969-12-01), Opalenik et al.
patent: 3867591 (1975-02-01), Nordeen
patent: 3867596 (1975-02-01), Schadow
patent: 3971906 (1976-07-01), Sahrbacker
patent: 4000389 (1976-12-01), Misson et al.
patent: 4096364 (1978-06-01), Lynn et al.
patent: 4136269 (1979-01-01), Weidler
Long Donald A.
Sowash Thomas R.
General Motors Corporation
Hill Warren D.
Shepperd John W.
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