Membrane switch assembly

Details Membrane switch assembly Membrane switch assembly

1981-05-28

1983-08-23

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200159B, 200306, H01H 1304

Patent

active

044005954

ABSTRACT:
A membrane switch assembly wherein the internal pressure is automatically equalized with the external pressure through the use of a self-regulating vent. The vent is defined by a non-linear slit formed in an outer layer of the membrane switch assembly, the slit producing a normally closed valve which is caused to open by a pressure differential between the internal pressure and the external pressure.

REFERENCES:
patent: 3294927 (1966-12-01), Hill
patent: 4046975 (1977-09-01), Seeger, Jr.

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