Patent ID: 8278600
Filing Date: 2012-10-02
Classification: B23K,H01H

Abstract:
1. An electromechanical contactor apparatus used in a wire-feeder employed in a welding system, comprising: a first threaded electrical post; and a second threaded electrical post; a first bus line; and a second bus line in electrical connection with the first and second threaded electrical posts; a first locking nut connected to the first threaded electrical post and a second locking nut connected to the second threaded electrical post; and a first oversized nut in electrical connection with the first threaded electrical post between the first bus line and the first locking nut so as to be in electrical contact with the first bus line and the first locking nut; and a second oversized nut in electrical connection with the second threaded electrical post between the second bus line and the second locking nut so as to be in electrical contact with the second bus line and the second locking nut, wherein each of the first and second locking nuts and each of the first and second oversized nuts define a width, the width of at least one of the first and second oversized nuts is at least 1.5 times the width of the one first or second locking nut in electrical contact with the at least one over sized nut.