Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1983-05-19
1985-07-23
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51205WG, 51181R, 76 86, B24D 1508
Patent
active
045301883
ABSTRACT:
A pocket-size sharpening apparatus of the variety carrying sharpening rods disposed in crossed relationship.
The sharpening apparatus has a body with a distal face carrying clips to releasably secure a pair of sharpening rods in crossed relationship. A major access opening permits access to portions of the sharpening rods from a proximal face of the body for the purpose of sharpening a blade. The major access opening has a V-shaped portion extended inward from a mouth with convergent edges disposed in parallel relationship to and exposing convergent portions of the sharpening rods from the proximal face. A minor access opening is comprised as a slot extending inward of the body toward the major opening a sufficient distance to expose opposite intersecting portions of the sharpening rods. A peripheral protective lip can line the major and minor openings on the proximal face of the body. A groove can be provided in the body wherein the sharpening rods can be seated and manually held in side-by-side, parallel relationship for the sharpening of pointed objects.
REFERENCES:
patent: 1016615 (1912-02-01), Dow et al.
patent: 1041631 (1912-10-01), Johnson
patent: 1719345 (1929-07-01), Teitel
patent: 1939482 (1933-12-01), Aurili
patent: 2413169 (1946-12-01), Case
patent: 4272925 (1981-06-01), Graves
patent: 4428515 (1984-01-01), Mayer
Louis N. Graves Company, Inc.
Rose Robert A.
Schmidt Frederick R.
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