Latch mechanism for a circuit breaker

Details Latch mechanism for a circuit breaker Latch mechanism for a circuit breaker

H - Electricity

01

H

H01H 71/10 (2006.01) H01H 69/00 (2006.01) H01H 71/50 (2006.01) H01H 71/52 (2006.01)

Patent

CA 2158963

A latch mechanism for a circuit breaker comprises a pair of longitudinal legs, a lateral section bridging the pair of longitudinal legs, and a longitudinal section extending from the lateral section in an opposite direction relative to the pair of legs. The lateral section includes a lower bearing surface for releasably engaging a cradle of the circuit breaker. The lower bearing surface includes a coined radius for facilitating engagement and disengagement of the cradle. The longitudinal section includes a protrusion for supporting a latch spring. The latch mechanism is manufactured in a single stamping operation, during which the protrusion is formed by cold extrusion.

Un mécanisme de verrouillage de coupe-circuit comprend une paire de branches longitudinales, une section latérale qui relie mutuellement les deux branches longitudinales et une section longitudinale qui part de la section latérale en sens opposé par rapport à la paire de branches. La section latérale comprend une surface inférieure d'appui qui enclenche de manière amovible le support du coupe-circuit. La surface inférieure d'appui comprend un rayon repoussé qui facilite l'enclenchement et le déclenchement du support. La section longitudinale comprend une protubérance de soutien d'un ressort de verrouillage. Le mécanisme de verrouillage est produit par une seule opération d'estampage, pendant laquelle la protubérance est formée par extrusion à froid.

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