Patent ID: 9214309
Filing Date: 2015-12-15
Classification: H01H,Y10T

Abstract:
1. A two-pole circuit breaker, comprising: a first mechanical pole comprising a first armature and a first cradle, the first mechanical pole configured to trip in response to sensing an electrical fault; a second mechanical pole comprising a second armature and a second cradle, the second mechanical pole configured to trip in response to sensing an electrical fault; and a trip bar mechanically coupled to the first and second mechanical poles, the trip bar configured to trip one of the first and second mechanical poles in response to the other of the first and second mechanical poles tripping, the trip bar having a first cradle interface having a first recessed surface and a first cradle contact surface; wherein: one of the first and second cradles is configured to move past the first recessed surface before contacting the first cradle contact surface during a trip.