Patents by Inventor George E. Coleman

George E. Coleman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Swing tail assembly for miner
    Patent number: 5779321
    Abstract: A swing tail assembly rotates a swing tail conveyor relative to a miner conveyor including a mounting assembly mounting a drive arrangement on a swing tail conveyor. The drive arrangement includes a hydraulic motor, a differential planetary speed reducer and a sprocket connected to said differential planetary speed reducer. A fixed pin/rack arrangement is connected to the fan section of the miner conveyor and the sprocket cooperates with the pin/rack arrangement to rotate the swing tail conveyor relative to the miner conveyor.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: July 14, 1998
    Assignee: Arch Technology Corporation
    Inventors: George E. Coleman, Michael R. Walker