Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1982-01-07
1984-09-04
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51128, 51268, B24B 354
Patent
active
044688946
ABSTRACT:
An electrically driven knife whetting machine including an electric motor having a rotating shaft, the electric motor being contained in a motor housing with the shaft extending out of the motor housing. A grindstone rotating assembly is securely mounted on the shaft, the assembly including a grindstone mounted on a grindstone holder with the grindstone having a grinding surface. A cylindrical upper cover is securely mounted on the motor housing. A knife blade regulating and guiding member is cylindrically shaped like an upside-down cup for receiving the grindstone therein, the cup having a knife blade guiding opening of a given angle and size provided in a cylindrical wall thereof, with the guiding opening being disposed above the grindstone. A spring member for elastically moving the cup relative to the upper cover so that the guiding opening can be moved up and down with respect to the grindstone, where the cup is prevented from being laterally rotated with respect to the upper cover.
REFERENCES:
patent: 2522942 (1950-09-01), Gillen
patent: 2618240 (1952-11-01), Haase
patent: 2751721 (1956-06-01), Smith
patent: 2949709 (1960-08-01), De Angelis et al.
patent: 3334446 (1967-08-01), Jager
patent: 3513599 (1970-05-01), Habrich
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