Patents by Inventor Wolfgang Hanneforth

Wolfgang Hanneforth 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: 6035788
    Abstract: A bogie for rail vehicles has a frame, two wheel sets connected with the frame and provided with bearings, a steering linkage for achieving radial adjustments of the wheel sets on curved tracks, springs disposed between the frame and the bearings of the wheel sets, the steering linkage being connected to the bearings of the wheel sets below a horizontal central plane of the bearings, laminated steering rods for guiding the bearings on the wheel sets in a longitudinal and a transverse direction, the laminated steering rods acting on the frame about the horizontal central plane, each of the laminated steering rods being resilient and acting parallel to the springs, the steering linkage including a transverse rod, and a transverse bumper arranged between the transverse rod of the steering linkage and the frame.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: March 14, 2000
    Assignee: Duewag Aktiengesellschaft
    Inventors: Rainer Mau, Ulrich Giesen, Leo Geers, Wolfgang Hanneforth