Patents Represented by Attorney John B. Willard

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  • Barrel-finishing apparatus
    Patent number: 4308693
    Abstract: The barrels orbit to create a centrifugal force on the barrel contents while the barrels are concurrently rotating about internal axes counter to the orbital movement, utilizing endless members to impart both the orbital and counter rotating movement to a plurality of the barrels.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: January 5, 1982
    Assignee: Harper Buffing Machine Co.
    Inventor: John F. Harper
  • Automatic buffing machine
    Patent number: 3946525
    Abstract: The buffing machine of the present invention includes one or more buffing wheels to which workpieces are successively presented on a continuously traveling conveyor wherein the workpieces are rotatably mounted. The axis of workpiece rotation is adjustable to any angle desired relative to the conveyor travel and the axis of a buffing wheel. The angle the axis of rotation of the workpiece makes with the buff wheel axis is selected so that rotation of the buffing wheel imparts a desired speed of rotation of the workpiece.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: March 30, 1976
    Inventor: John Ford Harper