Patents by Inventor Frank Berstermann

Frank Berstermann 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).

  • Publication number: 20090003927
    Abstract: A metallic ball pin of a ball-and-socket joint, preferably one with high load-bearing capacity, for motor vehicles with a surface ball part 22 containing grooves 60, 62 for receiving lubricant designed at one end of a pin member 10, 30, 40. To improve its functional properties and to reduce its manufacturing costs, a surface ball part 22 with a joint ball surface 25 is molded to a joint ball core portion 16 using an injection molding process.
    Type: Application
    Filed: June 27, 2007
    Publication date: January 1, 2009
    Inventors: James HOWES, Greg DAMBOISE, Thomas RICHTER, Reinhard LEHRKE, Frank BERSTERMANN, Arne SIEBE
  • Patent number: 6554525
    Abstract: A radial ball-and-socket joint is provided with a housing. A bearing shell (2) in the housing rotatably and tiltably accommodates a joint ball (4). The joint ball is part of a ball pivot (3). The ball pivot also has a shaft (5), which projects through a outlet opening (6) of the housing (1). The housing is closed with a cover (7) on the side opposite the outlet opening (6). The bearing shell (2), accommodated in the housing in a positioned manner, has an axially extending continuous slot (8). The cover (7), arranged between the cover and the bearing shell, has a geometry (9) impressed into a damping element (11) on its inner side facing the bearing shell. As a result of the construction the damping element (11) and the bearing shell are fixed in the housing (1).
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: April 29, 2003
    Assignee: ZF Lemförder Metallwaren AG
    Inventors: Manfred Heidemann, Guido Schulte, Martin Rechtien, Olaf Abels, Frank Berstermann, Rainer Ungruh