Push button device

Details Push button device Push button device

1978-05-30

1980-01-08

Stephan, Steven L.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200328, H01H 312

Patent

active

041829433

ABSTRACT:
A push-button device for controlling electrical apparatus comprises a push-button head which is manually depressible against a resilient bias and which becomes latched in its depressed position, the push-button head being releasable from its depressed position and returning to its normal position in response to a turning movement applied either directly to the push-button head itself or to a key when inserted in a lock incorporated in the push-button head.

REFERENCES:
patent: Re26845 (1970-03-01), Koepke
patent: 2249375 (1941-07-01), Day
patent: 2523125 (1950-09-01), Ley

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