Patent ID: 6360860
Filing Date: 2002-03-26
Classification: B60L

Abstract:
An arrangement for providing power to a mobile machine, said arrangement comprising:an elongated, generally closed rail having a slot extending the length thereof and a plurality of power conducting strips disposed within and extending the length of said rail; a wagon disposed within the rail and having front and back portions, wherein said front and back portions are aligned along the length of the rail; a plurality of sliding contact brushes attached to said wagon and engaging the power conducting strips within the rail; an electrical connector and cable leads attached to said wagon for coupling said sliding contact brushes to the mobile machine for providing power to the mobile machine; first and second wheel assemblies; and first and second coupling means for detachably connecting said first and second wheel assemblies to the front and back portions of said wagon, respectively, wherein each of said first and second coupling means includes, in combination, a dovetail slot in said wagon and an extension on said wheel assemblies having dovetail-shaped ridges, and wherein said ridges are adapted for insertion in said slot in a tight-fitting manner.