Keyboard switch

Details Keyboard switch Keyboard switch

1988-04-29

1989-05-16

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-cap or key-stem structure

400472, B41J 512

Patent

active

048305260

ABSTRACT:
A keyboard switch comprising a plurality of switch bodies arranged on an attachment plate, a key top, sufficiently larger than the switch body, attached to at least one switch body, a cut-away portion or opening formed in the attachment plate between the key top and a base plate, and circuit parts located in a space which is formed by the cut-away portion or opening, the underside of the key top and the base plate, so that switches and circuit parts can be arranged to efficiently use the space on the base plate.

REFERENCES:
patent: 3169701 (1965-02-01), Dombrowski
patent: 3962556 (1976-06-01), Kravchuck
patent: 4188136 (1980-02-01), Bedocs

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