Keyboard assembly

Details Keyboard assembly Keyboard assembly

1976-03-29

1977-11-08

Weldon, Ulysses

Registers

Keyboards

With total transfer to keyboard or the like

200159B, 200 5A, G06C 702

Patent

active

040577104

ABSTRACT:
A keyboard assembly comprising a plurality of actuating keys, and a sheet of flexible thin plastic film, the keys being bonded to the film. The keys have upper and lower portions, said lower portions being sandwiched between said upper portions and film and bonded to each.

REFERENCES:
patent: 2086066 (1937-07-01), Churchill
patent: 2492973 (1950-01-01), Dofsen et al.
patent: 2510091 (1950-06-01), Dofsen et al.
patent: 3627927 (1971-12-01), Schmitz et al.
patent: 3668938 (1972-06-01), Dimitry
patent: 3693775 (1972-09-01), Brooks et al.
patent: 3699294 (1972-10-01), Sudduth
patent: 3823309 (1974-07-01), Caruso

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