Patents Examined by Jim Bidwell
  • Conveyor system including a re-railer
    Patent number: 4784257
    Abstract: A conveyor system including a mobile flexible conveyor train adapted to be supported on a mine floor to transport coal from a mining machine to a fixed conveyor positioned in a mine passageway, the conveyor system having a rail system for supporting the conveyor on the mine roof and including re-railer for coacting with trolleys on the flexible conveyor train to provide a smooth transition of the flexible conveyor train from the rail system to the mine floor and back onto the rail system.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: November 15, 1988
    Assignee: Consolidation Coal Company
    Inventor: Richard E. Doerr