Patents by Inventor Hans-Kurt Kohl

Hans-Kurt Kohl 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).

  • Chain wheel having a shrink ring made of a polymer material
    Patent number: 5224903
    Abstract: A chain wheel having a basic element with a cylindrical outside surface and a chain pinion which projects beyond the outside surface in the radial direction. At least one shrink ring made of a polymer material is thermally shrunk onto the cylindrical outside surface of the basic element. The polymer material may consist of a block polymer which contains a polyolefin and an elastomer material.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: July 6, 1993
    Assignee: Firma Carl Freudenberg
    Inventors: Rolf Langhof, Michael Schutz, Hans-Kurt Kohl
  • Elastic pivoting slide bearing
    Patent number: 5143457
    Abstract: An elastic pivoting slide bearing comprising an inner sleeve (1) preferrably of metallic material; a slide sleeve (2) preferrably of a shrinkable polymer material, surrounding the inner sleeve (1), and a support sleeve (3) made of elastic rubber material immovably fixed to the outside of the slide sleeve (2). The slide sleeve (2) is comprised of a shrink tube which is designed to close upon itself in the circumferential direction and which is shrunk onto inner sleeve (1).
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: September 1, 1992
    Assignee: Firma Carl Reudenberg
    Inventors: Rolf Langhof, Hans-Kurt Kohl