Membrane switch assembly

Details Membrane switch assembly Membrane switch assembly

1996-07-17

1998-04-28

Walczak, David J.

Electricity: circuit makers and breakers

Solid contact

Membrane type

200239, H01H 110

Patent

active

057433860

ABSTRACT:
A membrane switch including a rubber dome, an insulation layer, a membrane and an electric-conductive support plate is provided. The membrane switch is ON as the pair of non-contacting circuit leads is forced to contact with the support plate due to the force applied on the rubber dome. As the rubber dome is free of an external force, the pair of non-contacting circuit leads is spaced from the support plate, resulting in an OFF state of the membrane switch.

REFERENCES:
patent: 4684767 (1987-08-01), Phalen
patent: 4700025 (1987-10-01), Hatayama et al.
patent: 5149923 (1992-09-01), Demeo

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