Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1979-09-13
1981-10-06
Shepperd, John W.
Electricity: circuit makers and breakers
Electric switch details
Indicators
H01H 918
Patent
active
042937531
ABSTRACT:
A small and compact electric switch having therein means for indicating actuated state of an associated load and yet being simple and easy in interconnecting respective components and also in connecting them with said load and an electric source is provided. The switch has a transformer, the primary winding of which is connected to a switching means and to the source and load while the secondary winding is connected to a light emitting diode forming the indicating means which is enclosed in a rockable button actuating and switching means so that, when the switch is closed, a current is induced in the secondary winding to light the diode due to a source current flowing through the primary winding. Wires from the source and load are held as connected to the switching means by resilient connecting means which are accessible from the exterior for easy wire connection and disconnection.
REFERENCES:
patent: 2841673 (1958-07-01), Benander
patent: 3196239 (1965-07-01), Maxted et al.
patent: 3215806 (1965-11-01), Arnold et al.
patent: 3251050 (1966-05-01), Given
patent: 4115673 (1978-09-01), Smith
Matsushita Electric & Works Ltd.
Shepperd John W.
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