Patents by Inventor Rolf Speer

Rolf Speer 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).

  • METHOD OF ACTUATING A CHUCK AND GRIPPING SYSTEM FOR CARRYING OUT THE METHOD
    Publication number: 20100187776
    Abstract: The invention relates to a method which is used to actuate a tensioning apparatus (3) for tensioning a tool or workpiece. The tensioning apparatus comprises an electric drive (2), in which devices for measuring motor currents and motor positions are integrated in order to monitor tensioning processes carried out using the tensioning apparatus (3).
    Type: Application
    Filed: June 19, 2008
    Publication date: July 29, 2010
    Inventors: Rolf Speer, Thomas Vetter