Dual detent dome switch assembly

Details Dual detent dome switch assembly Dual detent dome switch assembly

1994-12-27

1996-09-24

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Membrane type

200 1B, 200339, H01H 114

Patent

active

055593119

ABSTRACT:
An electrical switch assembly has a resilient dual detent dome carrying concentric electrically conducting pellets which sequentially contact conductive ends of traces on a printed circuit board in response to partial and full depression of the dome. The dome is designed to provide a first tactile feel when the first pellet contacts the circuit board and then a snap action tactile feel when the second pellet engages the circuit board.

REFERENCES:
patent: 3932722 (1976-01-01), Obata et al.
patent: 4376238 (1983-03-01), Martin
patent: 4518833 (1985-05-01), Watkins
patent: 4527030 (1985-07-01), Oelsch
patent: 4604509 (1986-08-01), Clancy et al.
patent: 4654488 (1987-03-01), Westfall
patent: 5412165 (1995-05-01), Malone et al.
patent: 5426275 (1995-06-01), Maeda et al.

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