Patents Represented by Attorney Andrew Wolford
  • Patent number: 7172494
    Abstract: An apparatus for grinding a surface of a nonstraight elongated workpiece has a frame, drives on the frame for rotating the workpiece about a longitudinal workpiece axis, and a guide defining a pivot axis offset from the workpiece axis on the frame. A hanging arm has an inner end juxtaposable with the workpiece and an outer end pivoted at the pivot axis on the guide. A rotary grinding tool is provided on the arm inner end.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: February 6, 2007
    Assignee: EMAG Maschinenfabrik GmbH
    Inventor: Heino Claussen-Markefka