Patents Assigned to Consolication Coal Company
  • Patent number: 4798279
    Abstract: A method and apparatus for continuously transporting mined material for a determined distance from a continuous mining machine in a mine having a roof and a floor to a permanently installed extendable length conveyor in a mine. The method is accomplished by installing an overhead rail supported conveyor along and above the fixed and extendable length conveyor. The overhead rail supported conveyor has at least a length equal to the determined distance and in addition the overhead rail supported conveyor includes a pivoted feed. A self-propelled tramming conveyor is installed having a length at least equal to the determined distance with its discharge cooperating with the pivoted feed of the overhead rail supported conveyor and its feed adapted to receive the material mined by a continuous mining machine.
    Type: Grant
    Filed: December 5, 1986
    Date of Patent: January 17, 1989
    Assignee: Consolication Coal Company
    Inventors: Richard E. Doerr, Margaret A. Roberts, Harry J. Brown