Patent ID: 6084191
Filing Date: 2000-07-04
Classification: H01H

Abstract:
A circuit breaker including a movable contact device pivotally provided, having a movable contact holder pivotally holding a movable contact arm with one of a pair of switching contacts that opens and closes; a handle lever and a trip lever pivotally provided to a secured frame; an operating handle operating said handle lever; a pair of links coupled to each other by a connecting pin between said trip lever and said movable contact device; at least an operating spring provided between said connecting pin and said handle lever; latch means latching rotation of said trip lever biased by said operating spring; and reset means resetting said latch means released in its latch by rotating said handle lever, said circuit breaker having said operating spring extended to straighten said pair of links with each other for contacting said switching contacts when said handle lever is rotated in an ON direction,wherein said reset means comprises a reset driving member rotating said trip lever; guide means guiding movement of said reset driving member; and a reset link coupling said reset driving member and said handle lever.