Patents by Inventor Wermer Helmig

Wermer Helmig 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).

  • Drive system for a fastening tool
    Patent number: 6676000
    Abstract: A drive system for a fastening tool, in particular a riveting tool, includes a punch for a fastening operation and a clamp axially moveable relative to the punch for clamping the workpieces during the fastening operation. The punch is actuated by a drive so as to be displaced axially. During such operation the drive force exerted upon the punch is transmitted to the clamp by force transmitting means comprising an air pressure chamber of variable volume.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: January 13, 2004
    Assignee: Bollhoff GmbH
    Inventors: Hans Jörg Lang, Wermer Helmig
  • Drive system for a fastening tool
    Publication number: 20020144386
    Abstract: A drive system for a fastening tool, in particular a riveting tool, includes a punch for a fastening operation and a clamp axially moveable relative to the punch for clamping the workpieces during the fastening operation. The punch is actuated by a drive so as to be displaced axially. During such operation the drive force exerted upon the punch is transmitted to the clamp by force transmitting means comprising an air pressure chamber of variable volume.
    Type: Application
    Filed: March 19, 2002
    Publication date: October 10, 2002
    Inventors: Hans Jorg Lang, Wermer Helmig