Patents by Inventor Terry Edward Burkhard

Terry Edward Burkhard 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: 5722300
    Abstract: A motor vehicle steering column including a first mast jacket element mounted on a body of the vehicle, a second mast jacket element telescoped into a cylindrical passage in the first element, and a split bushing between the first and second elements. The bushing has a lip on an outside surface thereof which seats against the passage in the first mast jacket element to define a closed circumferential chamber around the bushing interrupted by the split in the latter. A plastic shim is molded in place in the closed circumferential chamber by injecting liquid plastic under pressure through a port in the first mast jacket element. Liquid plastic fills the closed circumferential chamber and clamps an inside surface of the bushing against an outer surface of the second mast jacket element to eliminate lash. Shrinkage of the plastic in the closed circumferential chamber reduces the contact pressure between the bushing and the second mast jacket element to minimize frictional drag.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: March 3, 1998
    Assignee: General Motors Corporation
    Inventors: Terry Edward Burkhard, Douglas Matthew Schneider