Concrete sleeper for track circuitry
AssigneesHumes Limited, Hamersley Iron Pty. Limited
InventorJohn V. W. Jordon
Life of this patent
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Abstract
A concrete sleeper for track systems incorporating electrical circuitry, in which sleeper electrically conducting cables are embedded, and therefore concealed therein, with an assembly to allow electrical connection between the cables and associated tracks and associated track side circuitry. In order to obtain connection to the track side circuitry a recess is provided in one end of the sleeper and receives a terminal box having contacts for contacting exposed ends of the embedded cables and connections within the terminal box are in turn connected to the track side circuitry. In order to achieve an electrical connection with the tracks the cables are connected, within the sleeper, to embedded parts of shoulders of rail fastening assemblies of the type marketed under the name PANDROL.
Claims8
A concrete sleeper for track systems of the type having at least two rails and incorporating electrical circuitry, said sleeper having electrically conducting insulating cables embedded therein, and therefore protected thereby, at least one of said cables being adapted in use for electrical connection to one rail of an associated track, and at least one other of said cables being adapted in use for electrical connection to at least one other rail of said track system, said cables also being adapted in use for electrical connection to associated electrical track circuitry externally of said sleeper.
Dependencies are inferred from the claim text.