Electrically illuminated push-buttons and indicators

Details Electrically illuminated push-buttons and indicators Electrically illuminated push-buttons and indicators

1977-04-07

1978-11-21

Swisher, S. Clement

Electricity: circuit makers and breakers

Electric switch details

Indicators

G01H 904

Patent

active

041267745

ABSTRACT:
An electrically illuminated push button switch or indicator which can be used to operate and/or indicate a particular circuit, the device is provided with an enclosed light source which can safely be used in semi-hazardous surroundings and permits easy lamp replacement in the event of failure. The device includes a housing having a lamp holder at one end and being closed at the other end by a removable member having a translucent portion, the housing and the member having a pair of slidably concentric sleeves inside which a lamp is disposed.

REFERENCES:
patent: 3315060 (1967-04-01), Rothweiler
patent: 3355566 (1967-11-01), Bury

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