Patents by Inventor Bernd Kerntopf

Bernd Kerntopf 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: 4262888
    Abstract: An arrangement for resilient absorption of forces, particularly for an intermediate buffer coupling of rail vehicles, has an elongated housing with an open end and a closed end, a friction element located in the region of the open end of the housing, a resilient element cooperating in series with the friction element and formed as a friction spring having a plurality of inner conical rings and outer conical rings cooperating with one another with interposition of a lubricant, and outer and inner cup-shaped casing members in the housing which are telescopable in one another and closingly accommodate the outer rings and the inner rings of the friction spring, of which the inner cup-shaped member has an outer diameter corresponding to the transverse dimensions of an opening of the open end of the housing, whereas the outer cup-shaped member is separated in a longitudinal direction into a plurality of parts which are tightly held together by holding elements.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: April 21, 1981
    Assignee: Ringfeder GmbH
    Inventors: Harry Jansen, Bernd Kerntopf