Keyboard switch assembly having actuator interlocking keyboard s

Details Keyboard switch assembly having actuator interlocking keyboard s Keyboard switch assembly having actuator interlocking keyboard s

1976-07-22

1978-01-31

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 5E, 200 50C, 197 98, 235145R, H01H 320, H01H 920, G06C 702

Patent

active

040717194

ABSTRACT:
A keyboard shift and shift lock and release mechanism consisting of two shift keyswitches and one shift lock keyswitch is provided by the interaction of cams molded on the actuating plungers of the keyswitches and a slide member on each keyswitch which carries a cam follower pin and is constructed so as to move along a straight line relative to its associated housing upon actuation of the associated plunger. The two shift keyswitches have one type of cam and the slide members for these two switches are coupled together by a removable metal rod while the shift lock keyswitch has a second type of cam and its slide member interacts with the slide member of one of the shift keyswitches which is positioned adjacent to it.

REFERENCES:
patent: 3715023 (1973-02-01), Jackson et al.
patent: 3882295 (1975-05-01), Madland

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