Patent ID: 8664555
Filing Date: 2014-03-04
Classification: H01H

Abstract:
1. A trip button mechanism of an externally operable handle, the trip button mechanism for operating a circuit breaker trip button of a circuit breaker and comprising: a button support located at an outer casing of the externally operable handle, the button support exposed through a penetration hole of the outer casing; an externally operable trip button comprising: an elastic member for applying an elastic force to the externally operable trip button in a direction opposite to a direction in which the pusher pushes the circuit breaker trip button, wherein the button support has a hollow polyhedron shape, wherein two opposite sides of the button support are opened for locating the externally operable trip button and the elastic member, wherein the two opposite sides of the button support are closed by the pair of extension parts, and wherein the elastic member is located between the pair of extension parts.