Patent ID: 8534613
Filing Date: 2013-09-17
Classification: H02G

Abstract:
1. In combination with an electric train which travels along a power rail positioned on a roadway; comprising: first and second generally rectangular electrical cable trays; each of said first and second cable trays having first and second ends; said second end of said first cable tray being positioned adjacent said first end of said second cable tray so that said first and second cable trays are positioned in an end-to-end relationship; a generally rectangular cable tray expansion joint having first and second ends; said cable tray expansion joint being positioned between said second end of said first cable tray and said first end of said second cable tray; said first end of said cable tray expansion joint being secured to said second end of said first cable tray; said second end of said cable tray expansion joint being secured to said first end of said second cable tray; said cable tray expansion joint comprising: