Patents by Inventor Jack E. Parks

Jack E. Parks 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).

  • Rail anchor remover
    Patent number: 4457060
    Abstract: A rail anchor remover includes a wedge member affixed to a rail lifter for progressively moving an end of each rail anchor away from the rail web until it no longer grips the rail base and falls to the ground. The wedge is provided with a tailpiece having a bearing surface engaging an outer edge of the rail flange for stabilization of the wedge, and are undercut surface which slopes downwardly and inwardly from an outer side wall of the wedge and slopes at a progressively steeper angle toward the tailpiece.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: July 3, 1984
    Assignee: Southern Railway Company
    Inventors: Jack E. Parks, John H. Blanchfield