Keyboard switch assembly

Details Keyboard switch assembly Keyboard switch assembly

1993-10-01

1995-02-07

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-cap or key-stem structure

200344, 400495, 400496, 400472, B41J 512

Patent

active

053872614

ABSTRACT:
A semilunar recess affixed to a key cap of a keyboard switch is snapped over a swing rod, rotatably affixed to a key seat, during assembly of the keyboard switch. The swing rod is supported by the key seat in a position permitting the semilunar recess to snap onto it. This arrangement permits single-step assembly of keys to a keyboard.

REFERENCES:
patent: 4453063 (1984-06-01), Wanatowicz, Jr. et al.
patent: 4468145 (1984-08-01), Denley
patent: 4475832 (1984-10-01), Wachs
patent: 4535210 (1985-08-01), Shedore et al.
patent: 4771146 (1988-09-01), Suzuki et al.
patent: 4802779 (1989-02-01), Allaire
patent: 4830526 (1989-05-01), Hosono
patent: 4950093 (1990-08-01), Ertl
patent: 5003140 (1991-03-01), Abell, Jr. et al.

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