Patents Represented by Attorney Calvin C. Covell

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  • Apparatus for grinding a workpiece
    Patent number: 4850146
    Abstract: A wheel slide 20 for supporting a grinding wheel 40 is mounted on a carriage 100 which extends across a work area to engage parallel horizontal ways 61, 62 on opposite sides of the axis of rotation B of a workpiece W. The carriage 100 has ways 114, 115, 116 which support the wheel slide 20 for vertical movement toward and away from a horizontal axis B of rotation of the workpiece.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: July 25, 1989
    Assignee: The Pratt & Whitney Company, Inc.
    Inventors: Arthur H. Clough, Edwin L. Knight