Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1987-02-02
1988-07-12
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51168, 51285, B24B 904
Patent
active
047561254
ABSTRACT:
A self-contained skate blade sharpening device, comprises a base plate on which is mounted a box and a housing adjacent to the box. An electric motor in the box and the shaft of the motor, which extends outside the box drivingly supports a grinding wheel. The motor is spring mounted on a hinged plate so that the grinding wheel is resiliently biassed upwardly. A guide member having a groove to receive the skate blade is removably located above the grinding wheel in a slot between the box and the housing parallel to the plane of the grinding wheel. An aperture is provided in the bottom if the groove above the wheel and tangential to the wheel. The periphery of the grinding wheel has a convex cross-section. The skate blade is sharpened by sliding it in the groove while the motor is rotating. The particular resilient action of the grinding wheel and its combination with the guiding member provide a smooth and adjustable sharpening result.
REFERENCES:
patent: 1162970 (1915-12-01), Binford
patent: 2486850 (1949-11-01), Ives
patent: 2563018 (1951-08-01), Fello
patent: 3719006 (1973-03-01), Vezeau
patent: 3881280 (1975-05-01), Thompson
Morneau Roland L.
Olszewski Robert P.
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