Patent ID: 6677532
Filing Date: 2004-01-13
Classification: H02G

Abstract:
An isolated phase bus duct joint assembly for coupling together first and second phase bus duct sections, each section comprising an interior bus conductor surrounded by an outer housing, the joint assembly comprising:first and second conductor coupling portions each extending from the end portion of one of the interior bus conductors, each of the coupling portions having inside and outside surfaces; a plurality of movable contact fingers mounted around the outside surface of the first conductor coupling portion each by spring loaded adjustment fasteners, each of the fingers extending beyond the first conductor coupling portion for engagement with the outside surface of the second conductor coupling portion; and, each of the spring loaded adjustment fasteners comprising a threaded stem passing through the finger and the first inner conductor coupling portion, the stem having an adjustable head engaging an outer surface of the finger and a spring mounted over the stem to engage the inside surface of the first inner conductor coupling portion, the head and stem being adjusted relative to the spring to urge the finger into locking engagement with the first and second coupling portions.