Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1989-11-09
1991-09-03
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Indicators
2003321, H01H 2102
Patent
active
050456563
ABSTRACT:
A built-in indicator switch unit include an indicator and a switch within a casing so that the switch is operated by a pushing operation applied to a light-transmissible operation cover provided in the front side of the indicator. The switch is actuated by an operation mechanism which inverts the pushing force exerted on the operation cover to an opposite direction in response to the pushing operation applied to the operation cover. The indicator and switch are attached to a printed circuit board arranged in the casing, substantially in parallel to the front surface of the casing and projecting out at one end from the casing.
REFERENCES:
patent: 3796452 (1974-03-01), Foster et al.
IDEC Izumi Corporation
Luebke Renee S.
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