Patent ID: 6326868
Filing Date: 2001-12-04
Classification: H01H

Abstract:
A circuit breaker comprising:first and second pairs of separable contacts, one of said first pair of separable contacts being arranged at one end of a first rotary contact arm and one of said second pair of separable contacts being arranged at an opposite end of said first rotary contact arm;an operating mechanism interacting with said first rotary contact arm to rotate said first rotary contact arm for separating said one of said first pair of separable contacts from another of said first pair of separable contacts and said one of said second pair of separable contacts from another of said second pair of separable contacts; anda rotor connecting said first rotary contact arm with said operating mechanism, said rotor having an elongated slot disposed in a central region of said rotor and extending along a portion of a diameter of said rotor, and said first rotary contact arm having a first pivot pin extending from a central region of said first rotary contact arm, whereby said first pivot pin extends within said elongated slot for pivotally securing said first rotary contact arm to said rotor, said elongated slot allowing said first rotary contact arm to translate relative to said rotor in a direction parallel to said diameter.