Patents by Inventor Gerhard Schamel

Gerhard Schamel 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).

  • Shaft device for a bellows-type gas meter
    Patent number: 4901567
    Abstract: A shaft device for a bellows-type gas meter. A first eccentric cam assembly and an element having a radial groove are both coupled to the shaft. A second eccentric cam assembly having an opening is placed on the shaft. A rotatable insert element is inserted in the opening in the second eccentric cam assembly. A follower is provided on the insert element for engaging the radial groove in the element coupled to the shaft. A radial protrusion is provided for axially locking the shaft by rotating the insert element. The angle between the centerline of the first eccentric cam assembly and the centerline of the second eccentric cam assembly is adjusted by rotating the insert element.
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: February 20, 1990
    Assignee: G. Kromschroder Aktiengesellschaft
    Inventors: Heinrich Bertke, Reinhard Bruggemann, Peter Hampel, Joachim Schmidt, Werner Pohl, Martin Bronstrup, Hans Kasselmann, Hans Lubbers, Hans Prasse, Gerhard Schamel