Patents by Inventor Jürgen Mahncke

Jürgen Mahncke 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: 6382654
    Abstract: A towing device for vehicles is connected with a connection pin for a holding on the vehicle body and a hook-in eye connected with the pin, the connection pin having a fastening section as well as a lug part forming the hook-in eye. In a towing position and in an inoperative position, the connection pin is held in a support part of the vehicle body so that it cannot be lost, and, in the towing position, the connection pin with the fastening section can be fixed in a tension-resistant and pressure-resistant manner in a holding element of the support part and, in the inoperative position, can be fixed in the holding element by way of a locking device arranged adjacent to the hook-in eye.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: May 7, 2002
    Assignee: Dr. Ing. h.c.F. Porsche AG
    Inventor: Jürgen Mahncke
  • Patent number: 4862986
    Abstract: A steering axle for a lift truck includes a double-acting steering cylinder whose tubular cylinder member is closed off at each end by way of a cover. The steering cylinder includes a tubular cylinder member retained inside of a cylindrical mounting of a part of the cover. This forms within the area of the mounting an additional stroke space that is delimited at the end of the tubular member by a bearing flange of the cover which is rigidly connected with a support frame by way of oppositely disposed threaded bolts whereby the support frame is held fixed at the body.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: September 5, 1989
    Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
    Inventors: Juergen Mahncke, Heinz-Peter Kuesters, Hartmut Mayer