Title: Low profile tactile feedback keyboard switch assembly

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.

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Inventors: Sims, Jr., Dewey M. (Westland, MI, US)

Application Number: 600400
Filing Date: 1975-07-30
Publication_date: 1976-12-21
Assignee: Burroughs Corporation (Detroit, MI)
Primary Class(es): 200/516 200/5A, 200/5R
Other Classes:
US Patent Ref:

3600528	Aug, 1971	Leposavic	200/159.
3742157	Jun, 1973	Leposavic	200/159.
3800104	Mar, 1974	Lien et al.	200/159.
3870840	Mar, 1975	Rivetta et al.	200/159.
3909564	Sep, 1975	Scheingold et al.	200/159.

Other Refs:
Primary Examiner: Scott, James R.
Assistant Examiner:
Attorney: Quiogue; Manuel, Peterson; Kevin R.