CIRCUIT BREAKER WITH IMPROVED TRIPPED LATCH MEANS

摘要

A circuit breaker with a trip latch mechanism characterized by relatively movable contacts and a latch member releasable to effect automatic opening of the contacts. The latch member being retained in the latched position by latch means comprising a roller, latch lever, and a linkage mechanism in which the roller is mounted on the latch lever and retaining the latch arm in the latched position, the linkage mechanism including an overcenter toggle for holding the latch lever in the latched position, and means for releasing the overcenter toggle so that the latch lever is movable to the unlatch position.