Patents by Inventor Ralf Steinhofer

Ralf Steinhofer 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).

  • Forward bearing arrangement for the tilting cab of a truck
    Patent number: 6547440
    Abstract: The cab is supported at the front by elastic bearings mounted on bearing axles in alignment with each other and supported by at least two brackets attached to the vehicle frame. The elastic bearings are mounted in bearing shells attached to the floor of the cab. Each elastic bearing includes a rubber bearing with a plain bearing coaxial to it. An arresting device between the plain bearing and the elastic bearing presents relative rotation until a threshold torsional load is exceeded.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: April 15, 2003
    Assignee: Mannesmann Boge GmbH
    Inventors: Martin Testroet, Ralf Steinhöfer
  • Forward bearing arrangement for the tilting cab of a truck
    Publication number: 20020028031
    Abstract: The cab is supported at the front by elastic bearings mounted on bearing axles in alignment with each other and supported by at least two brackets attached to the vehicle frame. The elastic bearings are mounted in bearing shells attached to the floor of the cab. Each elastic bearing includes a rubber bearing with a plain bearing coaxial to it. An arresting device between the plain bearing and the elastic bearing presents relative rotation until a threshold torsional load is exceeded.
    Type: Application
    Filed: August 31, 2001
    Publication date: March 7, 2002
    Applicant: Mannesmann Boge GmbH
    Inventors: Martin Testroet, Ralf Steinhofer