Patents by Inventor Friedrich Steinmann

Friedrich Steinmann 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).

  • Transversely torsionally interconnected railway vehicle trucks
    Patent number: 4287832
    Abstract: The transverse coupling assembly for the end trucks utilizes a hollow shaft which is mounted via a bearing to a middle truck or vehicle body and connected via linkages to the two end trucks. In one embodiment, the shaft houses a torsion spring element which is pretensioned and which connects the shaft to a linkage. In another embodiment, the shaft can be provided with partitions to form a storage space for a fluid operating medium, diesel oil or the like.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: September 8, 1981
    Assignee: Schweizerische Lokomotive-und Maschinenfabrik
    Inventors: Ernst Kreissig, Friedrich Steinmann
  • Railway vehicle bogies
    Patent number: 4167906
    Abstract: The drive means for each wheel set is connected via a two bar-like connecting member to an intermediate portion of the bogie frame or to a cross-member in a manner such that longitudinal forces are transferred to the vehicle body. Also, the opposite side of the drive means is mounted on an axle of the wheel set and is connected to the bogie frame in a manner so as to permit the transmission of transverse forces to the bogie frame.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: September 18, 1979
    Assignee: Schweizerische Lokomotiv- und Maschinenfabrik
    Inventors: Friedrich Steinmann, Emil Finsterwald, Ernest Kreissig