Patent ID: 6805226
Filing Date: 2004-10-19
Classification: B60L,B60M

Abstract:
A collector trolley for use within a conductor bar system, the conductor bar system having a plurality of conductor bars contained within a housing, the housing further having a pair of shelves along its lower sections for supporting the trolley, the trolley comprising:a chassis dimensioned and configured to fit within the housing, the chassis having four corners; a plurality of electrically conductive brushes extending from the chassis, each of the brushes being dimensioned and configured to form an electrical connection with one of the conductor bars; and a plurality of bearing assemblies, each bearing assembly including a base and at least one bearing, each bearing assembly being structured to selectively reciprocate between a retracted position and an extended position, the bearing assemblies being dimensioned and configured to permit insertion and removal of the collector trolley from the housing when in the retracted position, and to support the collector trolley on the shelves, with the bearings rolling along the shelves and each of the brushes forming an electrical connection with one of the conductor bars, when the bearing assemblies are in the extended position.