Patents by Inventor Wilhelm Krautter

Wilhelm Krautter 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: 4423649
    Abstract: A ratchet drive comprises a support in which the trunnions of a ratchet gear are mounted. A pair of transversely spaced drive plates are also mounted on the support for tilting movement about the axis of the ratchet gear between an active stroke and a return stroke so that front ends of a pair of drive pawls connected to the drive plates engage, during each active stroke of the latter, adjacent teeth of the ratchet gear to turn the latter through a predetermined angle during each active stroke.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: January 3, 1984
    Assignee: Unex Corporation
    Inventors: John K. Junkers, Wilhelm Krautter