Patents by Inventor Gary L. Shellhammer

Gary L. Shellhammer 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).

  • Patent number: 6099227
    Abstract: A telescoping gripping and lift assembly for use with a flat bed truck or the like includes a pair of gripper arms, each of which is attached to a transverse lift housing which, in turn, is pivotably attached to the rear of the flat bed. Each of the gripper arms is telescopically extendable relative to a respective opposing end of the lift housing between grip and release positions via a pressure equalizing gripping piston & cylinder unit positioned within the lift housing. In addition, each of the gripper arms is a two part construction with an outer sleeve encompassing an inner sleeve and with a respective hydraulic telescoping cylinder selectively extending and retracting the larger outer sleeve relative to the smaller inner sleeve.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: August 8, 2000
    Assignee: Harper Industries, Inc.
    Inventor: Gary L. Shellhammer