Patent ID: 8794426
Filing Date: 2014-08-05
Classification: B65G

Abstract:
1. A conveyor system comprising: a track section comprising a control system; a drive system that is controlled by the control system and that is configured to provide power through a first electromagnetic field and through an alternating second electromagnetic field; a plurality of moving elements that are driven by the drive system and that are configured to receive power through the first electromagnetic field, wherein at least one of the plurality of moving elements comprises a pick-up unit configured to receive power through the alternating second electromagnetic field; a pallet support apparatus; and a plurality of pallets that are configured to engage with the plurality of moving elements and move on the pallet support apparatus, wherein the drive system and control system are configured such that the first electromagnetic field is modulated at one frequency to provide power to the moving elements, the alternating second electromagnetic field is modulated at another frequency to provide power to the pick-up unit, or both.