Patent ID: 6486417
Filing Date: 2002-11-26
Classification: H01H

Abstract:
A circuit breaker on-off switch mechanism comprising:an operating part comprising an operating handle, a handle shaft, and a mechanism member, the operating handle engaging the handle shaft and being rotatable with the handle shaft as a fulcrum, the mechanism member being interconnected to the operating handle within the operating part to move responsive to rotation of the operating handle; and an on-off switch part comprising an on-off switch lever, an on-off switch shaft, and a main spring, the on-off switch lever is supported for rotation by the on-off switch shaft between a circuit on position and a circuit off position, the main spring biases the on-off switch lever to rotate from one of the on and off positions to the other of the on and off positions; the mechanism member has a portion engagable with a portion of the on-off switch lever to control movement of the on-off switch lever responsive to rotation of the operating handle, the portion of the mechanism member and the portion of the on-off switch lever being configured to permit assembly of the on-off switch part separate from the assembly of the operating part and engagement of the portions of the mechanism member and the on-off switch lever subsequent to assembly of the on-off switch part.