Electrical switch actuator mechanism

Details Electrical switch actuator mechanism Electrical switch actuator mechanism

1990-07-23

1991-10-15

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Membrane type

200342, 200521, H01H 1330

Patent

active

050576577

ABSTRACT:
A low profile keyboard switch actuator mechanism having tactile and/or audible feel, for use in combination with a membrane switch assembly, and which includes a housing for mounting on top of the membrane switch assembly, a plunger slidably positioned in the housing, an actuator pivotally mounted within the housing, and a biasing spring. The actuator has a vertical arm and a horizontal leg. A slide member is mounted on the arm. Upper and lower stops on the arm limit the range of movement of the slide member. The spring is seated upon the horizontal leg and urges the plunger outwardly in an upper opening in the housing. Cooperating cam surfaces on the plunger and the slide member function during reciprocating movements of the plunger for attaining desired sensible results with mechanism.

REFERENCES:
patent: 4479040 (1984-10-01), Denley et al.
patent: 4528431 (1985-07-01), Coleman, III
patent: 4939327 (1990-07-01), Wu et al.

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