John Frederick Harper

US Patent:

47181990, Jan 12, 1988

Filed:

Aug 25, 1986

Appl. No.:

6/886533

Inventors:

John F. Harper - Glastonbury CT

International Classification:

B24B 3102

US Classification:

511642

Abstract:

An orbital barrel finishing machine employs rotatable drums which are removable from the machine. A coupling member mounting a plurality of angularly spaced axially extending pins engages slots of a second coupling member to provide a rotational drive engagement for the removable drums. The drums are uncoupled from the drive engagement by axially displacing the drums. A releasable latch assembly is employed to secure the drums in the coupled drive position. The orbital barrel finishing machine is employed as a component of an integrated automatic finishing system wherein the rotatable drums may be automatically removed from the machine, unloaded, loaded and returned to the machine.

US Patent:

46151486, Oct 7, 1986

Filed:

Jul 26, 1985

Appl. No.:

6/759278

Inventors:

John F. Harper - Glastonbury CT

International Classification:

B24B 3104

US Classification:

511642

Abstract:

An orbital barrel finishing machine employs rotatable drums which are removable from the machine. A coupling member mounting a plurality of angularly spaced axially extending pins engages slots of a second coupling member to provide a rotational drive engagement for the removable drums. The drums are uncoupled from the drive engagement by axially displacing the drums. A releasable latch assembly is employed to secure the drums in the coupled drive position. The orbital barrel finishing machine is employed as a component of an integrated automatic finishing system wherein the rotatable drums may be automatically removed from the machine, unloaded, loaded and returned to the machine.

US Patent:

43086934, Jan 5, 1982

Filed:

Feb 21, 1979

Appl. No.:

6/013630

Inventors:

John F. Harper - Portland CT

Assignee:

Harper Buffing Machine Co. - East Hartford CT

International Classification:

B24B 3102

US Classification:

511642

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.

US Patent:

39465250, Mar 30, 1976

Filed:

Nov 18, 1974

Appl. No.:

5/524741

Inventors:

John Ford Harper - Portland CT

International Classification:

B24B 506

US Classification:

51 76R

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.