Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1987-03-20
1988-06-21
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Actuators
H01H 2302
Patent
active
047526610
ABSTRACT:
A switch device of the swing type comprising snap hooks provided with a slit extending from the foremost end to the base thereof, a part of the slit being made wider to form a bearing portion; a shaft fitted into the bearing portion in the snap hooks; and an operation piece freely swingable round the shaft. A stopper is arranged, adjacent and parallel to the snap hooks to stop the relative movement of the shaft toward the base of the snap hooks. The shaft cannot be pressed into a narrower portion of the slit which extends downward from the bearing portion thereof, thereby preventing the snap hooks from being spread out and broken.
REFERENCES:
patent: 3178530 (1965-04-01), Lawson
patent: 3501599 (1970-03-01), Horecky
patent: 3681556 (1972-08-01), Osika
patent: 4045650 (1977-08-01), Nestor
patent: 4081643 (1978-03-01), Kuo
Alps Electric Co. ,Ltd.
Luebke Renee S.
Shoup Guy W.
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