Low profile tactile feedback keyboard switch assembly

Details Low profile tactile feedback keyboard switch assembly Low profile tactile feedback keyboard switch assembly

1975-07-30

1976-12-21

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 5R, 200 5A, 200 67D, H01H 1344

Patent

active

039990257

ABSTRACT:
A tactile feedback keyboard switch assembly having opposing upwardly inclined leaf springs for biasing an actuating keytop which has downwardly extending members for causing selective engagement of contact members disposed in a diaphragm type contact assembly beneath the leaf springs upon depression of the keytop. A bifurcated action is achieved by providing interconnected contact members for each of the downwardly extending members.

REFERENCES:
patent: 3600528 (1971-08-01), Leposavic
patent: 3742157 (1973-06-01), Leposavic
patent: 3800104 (1974-03-01), Lien et al.
patent: 3870840 (1975-03-01), Rivetta et al.
patent: 3909564 (1975-09-01), Scheingold et al.

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