Patent ID: 6216835
Filing Date: 2001-04-17
Classification: B60L,B66C,Y02T

Abstract:
Stacker-retriever warehousing apparatus comprising storage racks having an aisle there between, a stacker-retriever positioned within the aisle and moving between the racks for depositing loads within the racks and retrieving loads from the racks, a three-phase A.C. power rail assembly mounted along a rack, power busses mounted in the power rail assembly, a power trolley supported by the power rail assembly, a power cable having a distal end with brushes in contact with the power busses in the power rail assembly, the power cable distal end being supported on the power trolley, a towing arm hinged on a side of the stacker-retriever and extending toward the power rail assembly, the power cable being connected to the towing arm for supporting the power cable, a towing arm connection extended to the power trolley from the towing arm for towing the power trolley along the power rail assembly with the towing arm and the stacker-retriever thereby supplying motive power from the power busses in the power rail assembly through the power cable to the stacker-retriever.