Patents by Inventor Ulrich Kretzschmar

Ulrich Kretzschmar 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).

  • Rolling bearing arrangement, in particular for a switching device for switching a manual transmission
    Patent number: 10487872
    Abstract: A rolling bearing arrangement is provided for a switching device for switching a manual transmission. The rolling bearing arrangement includes at least one rolling bearing having an outer shell, a cage axially displaceable in the outer shell, and a plurality of rolling elements guided by the cage and radially supported on the outer shell. A rod having a switch axis is supported rotatably and axially displaceably by the rolling elements. The rod has an axial stop for securing the cage in a form-fitting manner with vertically aligned rod in an upper position against a downward axial displacement.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: November 26, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ulrich Kretzschmar, David Pinto Curiel, Robert Roessner
  • ROLLING BEARING ARRANGEMENT, IN PARTICULAR FOR A SWITCHING DEVICE FOR SWITCHING A MANUAL TRANSMISSION
    Publication number: 20190010978
    Abstract: A rolling bearing arrangement is provided for a switching device for switching a manual transmission. The rolling bearing arrangement includes at least one rolling bearing having an outer shell, a cage axially displaceable in the outer shell, and a plurality of rolling elements guided by the cage and radially supported on the outer shell. A rod having a switch axis is supported rotatably and axially displaceably by the rolling elements. The rod has an axial stop for securing the cage in a form-fitting manner with vertically aligned rod in an upper position against a downward axial displacement.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 10, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ulrich Kretzschmar, David Pinto Curiel, Robert Roessner