Apparatus and method for sharpening contour profile cutter blade

Details Apparatus and method for sharpening contour profile cutter blade Apparatus and method for sharpening contour profile cutter blade

1992-06-22

1994-02-08

Rachuba, M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51218R, 51218A, 51221BS, 269 8, 269101, B24B 100

Patent

active

052839869

ABSTRACT:
An apparatus and method for facilitating the grinding wheel sharpening of contour knife blades having a contoured cutting edge formed along one side thereof includes contour profile knife blades having a passageway formed therethrough, the passageway having an opening into the flat surface of the knife blade and an opening into the mounting surface of the knife blade, the opening into the flat surface being of greater diameter than the opening to the mounting surface. A tool bar having linearly-aligned threaded openings formed therein is provided so that the knife blades may be mounted to the tool bar for grinding wheel sharpening thereof, the knife blades being mounted to the tool bar utilizing screws such that the heads of the screws are intermediate the opening the opening in the flat surface and the opening in the mounting surface sufficiently removed from the grinding wheel so that when the selected portion of the knife blade is ground away for sharpening, the screw head is not contacted by the grinding wheel, thus providing a method and apparatus for sharpening contour knife blades utilizing conventional equipment.

REFERENCES:
patent: 2391 (1841-12-01), Johnson
patent: 10068 (1853-10-01), Gibbs
patent: 609301 (1898-08-01), Scull
patent: 724116 (1903-03-01), Maley
patent: 2113874 (1938-04-01), Chaik
patent: 2471067 (1949-05-01), Hitchcock
patent: 4787177 (1988-11-01), Scalia

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