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Circuit breaker with low torque motor










Image Number 6 for United States Patent #3944772.

A circuit breaker characterized by spring means for closing contacts, means for charging the spring means and including a crankshaft structure, a ratchet wheel rotatably mounted on the shaft, driving pawl means operable to advance the ratchet wheel for charging the spring means, an oscillating drive pawl structure in driving engagement with said ratchet wheel, means operable to oscillate said drive pawl structure and comprising a bight portion movable across the axis of the output shaft of a charging motor.








 
 
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