Patent ID: 8061495
Filing Date: 2011-11-22
Classification: B60L,B60M,B66C,H02G,Y02T

Abstract:
1. An apparatus for coupling power from a high voltage electrical network to a low voltage power input on a mobile crane, comprising: a trolley; a guiding apparatus attached to said trolley; a transformer attached to said trolley, comprising: a power input coupler adapted to receive power from the high voltage electrical network, said power input coupler connected to said high voltage input of said transformer; a rubber tire gantry crane having a low voltage input connected to said low voltage output; a flexible signal cable connecting said trolley to said rubber tire gantry crane; a position signal representative of a position of said trolley; and a position of said rubber tire gantry crane, wherein said rubber tire gantry crane is adapted to modify said position of said rubber tire gantry crane in response to said position signal.