Spring operation device of circuit breaker
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United States of America Patent
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-
Jul 17, 2018
Grant Date -
Jul 20, 2017
app pub date -
Aug 24, 2016
filing date -
Jan 14, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A spring operation device includes a closing shaft rotating to apply closing driving force to a movable contactor of a circuit breaker; a breaking shaft connected to the closing shaft in an axial direction and rotating to apply breaking driving force to the movable contactor of a circuit breaker; a plurality of springs having one ends connected to the closing shaft and the breaking shaft and the other ends fixed in position and provided along circumferences of the closing shaft and the breaking shaft in order to transmit elastic restoring force to the closing shaft and the breaking shaft to rotate the closing shaft and the breaking shaft; and a power transmission unit connecting the closing shaft and the breaking shaft when a closing operation is performed and releasing a connection between the closing shaft and the breaking shaft when a breaking operation is performed.
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