Anti-rebound and contact kicker means for circuit breaker

Details Anti-rebound and contact kicker means for circuit breaker Anti-rebound and contact kicker means for circuit breaker

H - Electricity

01

H

306/283

H01H 73/26 (2006.01) H01H 71/50 (2006.01) H01H 73/40 (2006.01) H01H 73/52 (2006.01)

Patent

CA 1097715

D-518 (00) ANTI-REBOUND AND CONTACT KICKER MEANS FOR CIRCUIT BREAKER ABSTRACT OF THE DISCLOSURE A single pole molded case circuit breaker having a spring powered trip free contact operating mechanism in- cluding an extendable toggle connected at one end to a releasable cradle and connected at the other end to a movable contact, a latch for holding the cradle in reset position, and an automatic trip means for operating the latch to release the cradle upon the occurrence of predetermined overload conditions, is provided with anti-rebound means which prevents the movable contact from moving toward closed circuit position except under the influence of the operating mechanism. The anti-rebound means includes engaging formations of the cradle and toggle which cooperate to block the toggle from being extended unless the cradle is in its reset position. As the cradle moves to trip position it engages the toggle to kick the contact arm toward open position.

306349

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