Blade sharpeners

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

Patent

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Details

51135R, 51216R, B24B 354

Patent

active

041423313

ABSTRACT:
A blade sharpening or grinding device comprises an abrasive surface for acting on a blade edge, a second surface to receive a flat face of the blade to define the angle of the edge ground onto the blade, and a third surface to be abutted by the blade edge to limit the extent to which the blade is advanced into the abrasive surface. The second surface may be adjustable to vary the grinding angle and the second surface and/or the third surface may be adjustable to control the extent to which grinding takes place. Preferably the abrasive surface is provided on a belt driven over two pulleys by an electric motor.

REFERENCES:
patent: 2222966 (1940-11-01), Williams
patent: 2640303 (1953-06-01), Johnson
patent: 2677218 (1954-05-01), Lamison
patent: 2748543 (1956-06-01), Pardee
patent: 2853837 (1958-09-01), Lamison
patent: 3501871 (1970-03-01), Anderson

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