Patents Examined by Matthew Daschel
  • Machine for superfinishing annular workpieces
    Patent number: 4485592
    Abstract: A machine for superfinishing annular workpieces such as bearings, including a mechanism for rotating the annular workpiece about a first axis of rotation, a holder for retaining in fixed relative positions a plurality of holding stones, and a mechanism for moving the holder to selectively bring any one of the honing stones into contact with the outer surface of the annular workpiece being superfinished.
    Type: Grant
    Filed: September 10, 1982
    Date of Patent: December 4, 1984
    Assignee: Osaka Seiki Kabushiki Kaisha
    Inventors: Kizo Kawaguchi, Teruo Matsuda