Operation mechanism of circuit breaker

Electricity: circuit makers and breakers – Gear driven

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F16H 5500

Patent

active

057238367

ABSTRACT:
An operation mechanism of a circuit breaker which is highly reliable and inexpensive and in which an intermittent meshing of toothed wheels and resultant noise do not occur. The operation mechanism includes a gear wheel for driving a cam shaft to store mechanical energy into a breaking spring, a pinion meshed with the gear wheel and a clutch driving element provided on the same axis as the pinion and constituting a clutch with the pinion. An operational driving electric motor is provided to drive the clutch driving element. Coupling between the pinion and the clutch driving element is disconnected by means of a cam mechanism composed of an end cam provided on an end face of the gear wheel and the clutch driving element, in the vicinity of the stationary positions of the cam and the gear wheel in the force storing state of a closing spring.

REFERENCES:
patent: 3175110 (1965-03-01), Kohlagen
patent: 4002088 (1977-01-01), Alsch

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