Patent ID: 6400243
Filing Date: 2002-06-04
Classification: H01H

Abstract:
A contact shoe device for a circuit breaker comprising:a case, at least one pair of fixed contact shoes disposed in the case, at least one movable contact shoe disposed in the case for bridging the at least one pair of the fixed contact shoes, at least one pair of contact springs cooperating with the at least one movable contact shoe to urge the at least one movable contact shoe to the at least one pair of the fixed contact shoes to close an electric path between the at least one pair of the fixed contact shoes, said at least one movable contact shoe being separated from the at least one pair of the fixed contact shoes against the at least one pair of the contact springs when the electric path is open, said at least one pair of the contact springs being arranged on two sides of the at least one movable contact shoe so that upper ends of the at least one pair of the contact springs extend above the at least one movable contact shoe, and at least one spring holder interposed between the at least one movable contact shoe and the at least one pair of the contact springs.