Patents by Inventor Hansrudolf Lehmann

Hansrudolf Lehmann 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).

  • Stepping mechanism
    Patent number: 4383453
    Abstract: A forward and rearward indexible stepping mechanism, for instance for a multi-position switch, which is arranged within a housing and has a one-piece drive which can be brought into engagement with a rotatably arranged pinion by means of a linear work movement. At the drive there is provided a flexible latching element which connects two plungers in a bridge-like fashion, so that a latching cam arrangement formed at the latching element engages at the pinion.
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: May 17, 1983
    Assignee: Contraves AG
    Inventors: Hansrudolf Lehmann, Hans Wermelinger