Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1985-09-30
1987-02-03
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51204, 76 822, 76 86, B24B 354
Patent
active
046400583
ABSTRACT:
Apparatus for sharpening cutting edges of a blade is disclosed herein which is foldable between an operative position and a storage position that includes a base having pivoted support sections carrying elongated sharpening elements providing opposing surfaces against which one side of the blade to be sharpened may be drawn when the elements are in their operative position. A handle member pivotally attaches at one end to the free end of one of the elements while a pair of spaced projections are incorporated therein for selectively receiving the free end of the other element wherein the elements are in the operative position. The handle member further includes an elbow portion for releasably receiving the end of the last mentioned element when positioned immediately adjacent the first mentioned element when the elements are in the storage position. A hand grip portion is provided on the end of the handle member which includes a releasable retainer for coupling the handle member to the base sections when the elements are in the storage position.
REFERENCES:
patent: 1038484 (1912-09-01), Boye
patent: 1894579 (1933-01-01), Blankner
patent: 2098530 (1937-11-01), Battocchi
patent: 2674072 (1954-04-01), Lohmann
patent: 3894362 (1975-07-01), Graves
patent: 4231194 (1980-11-01), Glesser
patent: 4259815 (1981-04-01), Kuban
Marrs Roger A.
Rose Robert A.
Schmidt Frederick R.
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