Patents by Inventor Jerry C. Whitt

Jerry C. Whitt 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).

  • Mechanism for advancing continuous mining machine through mining cycle and tramming modes
    Patent number: 4256343
    Abstract: An improved advancing mechanism for a dual auger continuous miner of the type adapted to be advanced by a pair of anchoring jack assemblies, a pair of cables extending from the anchoring jack assemblies to a pair of winch mechanisms on the sides of the frame. The mechanism includes a mounting arm mounted on each side of the frame for movement about a vertical axis, a telescoping structure extending longitudinally between each mounting arm and the associated anchoring jack assembly and hydraulic piston and cylinder units for effecting the pivotal movement of each arm and the telescoping movement of each telescoping structure.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: March 17, 1981
    Assignee: Fairchild Incorporated
    Inventors: Sigmund Black, Joseph V. Lagowski, Jerry C. Whitt, Roger D. Plumley