Patent ID: 6023030
Filing Date: 2000-02-08
Classification: H01H,H02G

Abstract:
A bus plug for connecting to an electrical distribution busway, the bus plug including:a housing;a door attached to the housing, the door having an open position and a closed position;an electrical switch disposed within the housing, the electrical switch having an off position and an on position;an interlock pivot disposed in a hole on a wall of the housing and including a single flat surface;a handle externally disposed on the interlock pivot such that the handle and the interlock pivot rotate in unison between an off position and an on position, the interlock pivot operatively connected to the electrical switch such that when the handle is in the off position the switch is in the off position and when the handle is in the on position the switch is in the on position;a door interlock plate including a slot with a narrow section and a wide section, the interlock pivot disposed within the slot, the door interlock plate capable of moving around the pivot which is within the slot between an extended position corresponding to the interlock pivot disposed within the narrow section of the slot and a retracted position corresponding to the interlock pivot disposed within the wide section of the slot;a first spring connected between the housing and the door interlock plate biasing the door interlock plate in the extended position;wherein when the door is in the open position, the door interlock plate is in the extended position and the flat of the interlock pivot cooperates with the narrow section of the slot to maintain the handle in the off position; andwherein when the door is in the closed position, the door interlock plate is in the retracted position and the handle can rotate between the off and on positions.