Membrane type switch with improved elastomeric actuator includin

Details Membrane type switch with improved elastomeric actuator includin Membrane type switch with improved elastomeric actuator includin

1992-07-17

1993-05-25

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200512, H01H 110, H01H 1370

Patent

active

052142566

ABSTRACT:
The switch includes a cap, a base portion, a dome retainer subassembly and a support portion. The base portion includes an upper surface and an actuator block. The cap and actuator block are located within a depression of the base portion formed by sides of the base upper surface. The dome retainer subassembly and the support portion are mounted in superposed abutting relation with respect to the cap and the base portion. Pressure on the cap causes at least one movable dome contact of the dome retainer subassembly to electrically engage corresponding first and second contacts located on the support portion facing surface.

REFERENCES:
patent: 3806673 (1974-04-01), Boulanger
patent: 3829646 (1974-08-01), Lorteije et al.
patent: 4029916 (1977-06-01), Chu
patent: 4035593 (1977-07-01), Riniker
patent: 4400596 (1983-08-01), Fukukura et al.
patent: 4439647 (1984-03-01), Calandrello et al.
patent: 4710597 (1987-12-01), Loheac
patent: 4845319 (1989-07-01), Watkins et al.

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