Patents by Inventor Markus Boldt

Markus Boldt 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: 6570287
    Abstract: The invention relates to a spring element (10) for compensating for axial play in a motor shaft of an electric motor. The invention proposes embodying such a spring element (10) out of plastic and of one piece with a stop disk (12), which is connected via spring arms (14) to a support foot (16), and placing it, along with the support foot (16), onto a support sleeve (18) with which the spring element (10) can be press-fitted onto the motor shaft. The invention has the advantage that it eliminates the axial play in the motor shaft of an electric motor with a spring element (10) that is inexpensive to manufacture and easy to install (FIG. 1).
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: May 27, 2003
    Assignee: Robert Bosch GmbH
    Inventors: Herbert Schiller, Herbert Martin, Michael Bohnert, Markus Boldt, Ulrich Rettmar
  • Publication number: 20030094871
    Abstract: The invention relates to a spring element (10) for compensating for axial play in a motor shaft of an electric motor. The invention proposes embodying such a spring element (10) out of plastic and of one piece with a stop disk (12), which is connected via spring arms (14) to a support foot (16), and placing it, along with the support foot (16), onto a support sleeve (18) with which the spring element (10) can be press-fitted onto the motor shaft. The invention has the advantage that it eliminates the axial play in the motor shaft of an electric motor with a spring element (10) that is inexpensive to manufacture and easy to install (FIG. 1).
    Type: Application
    Filed: January 31, 2002
    Publication date: May 22, 2003
    Inventors: Herbert Schiller, Herbert Martin, Markus Boldt, Ulrich Rettmar