Structure of key switch

Details Structure of key switch Structure of key switch

1991-10-08

1993-04-06

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200517, 200520, H01H 1370

Patent

active

051995565

ABSTRACT:
A key switch actuator includes a switching member supported on a resilient member and connected to a key cap and driven by it to slide in a locating member. The switching member has two opposite, curved side plates caused to slide in the locating member along two opposite sliding ways. The elastic member has a plurality of small raised portions supported on the PC board and a plurality of notches between the raised portions for exhaust of squeezed air.

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patent: 4659879 (1987-04-01), Hasegawa
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patent: 4733036 (1988-03-01), Koizumi et al.
patent: 4827243 (1989-05-01), Cheng
patent: 5034573 (1991-07-01), Bonmassari et al.
patent: 5066841 (1991-11-01), Zoller et al.

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