Patent ID: 6202809
Filing Date: 2001-03-20
Classification: B60L,B60M

Abstract:
A power supply apparatus supplying power to a pallet, comprising:a conveyor unit conveying a pallet, the pallet supporting a device, the pallet having an electrically conductive surface;a first plurality of electrically conductive terminals of said conveyor unit, said first plurality of terminals receiving primary power from a primary power source;a second plurality of electrically conductive terminals of said conveyor unit, said second plurality of terminals being separately located from said first plurality of terminals;a first switch coupled to said first and second pluralities of terminals, said first switch electrically connecting said first plurality of terminals with said second plurality of terminals to supply power to said second plurality of terminals, and said first switch electrically disconnecting said first plurality of terminals from said second plurality of terminals to not supply power to said second plurality of terminals;the pallet being positioned onto said second plurality of terminals when said second plurality of terminals is not receiving power;said first switch connecting said first plurality of terminals with said second plurality of terminals after said conductive surface of the pallet contacts said second plurality of terminals; andthe pallet continuously receiving power when being conveyed from said second plurality of terminals to said first plurality of terminals.