Apparatus and method for sharpening contour profile cutter blades
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United States of America Patent
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Feb 8, 1994
Grant Date -
N/A
app pub date -
Jun 22, 1992
filing date -
Jun 22, 1992
priority date (Note) -
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status (Latency Note)
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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.
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