Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-11-17
1990-06-19
Rose, Robert
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51214, 51212, 76 82, 76 86, 76 88, B24B 354
Patent
active
049341103
ABSTRACT:
A device for sharpening a cutting edge including a base an elongated slot that is dimensioned to permit free passage of a cutting blade therealong. At least one sharpening element is pivotally secured to the base near its upper end and extends across the slot at a predetermined angle. Preferably, two such sharpening elements are employed, intersecting at the slot so that a cutting edge moved along the slot will be sharpened on both sides during a single pass through the slot. The sharpening elements may be straight or curved and are always under a predetermined tension. This tension may be applied by either springs or counterweights.
REFERENCES:
patent: 578440 (1897-03-01), Beaudin
patent: 1041631 (1912-10-01), Johnson
patent: 1570083 (1926-01-01), Runzi
patent: 1851520 (1932-03-01), Moller
patent: 1909743 (1933-05-01), Blankner
patent: 2124646 (1938-07-01), Barsch
patent: 4550632 (1985-11-01), Inman
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