Patents by Inventor Robert F. Leonhardt

Robert F. Leonhardt 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).

  • Self-compensating rivet
    Patent number: 4202243
    Abstract: A rivet for pivotally securing a link to a bracket and adapted to compensate for tolerance variations in the thickness of the link and the bracket. A substantially hemispherical recess is formed in the shank end of the rivet while a counter-recess defined by a substantially hemispherical recess and by a frustoconical recess is formed in the head of the rivet.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: May 13, 1980
    Assignee: Atwood Vacuum Machine Company
    Inventor: Robert F. Leonhardt
  • Pedestal for supporting a swivel seat in a vehicle
    Patent number: 4191353
    Abstract: A seat is supported in a vehicle by a swivel platform which is clamped to a base in such a manner as to be free to turn but which, at the same time, is tied to the floor of the vehicle by straps so as to prevent the platform from pulling loose from the base during a collision. An axially slit and radially split bearing ring supports the platform for turning on the base.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: March 4, 1980
    Assignee: Atwood Vacuum Machine Company
    Inventor: Robert F. Leonhardt