Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-09-05
1977-03-15
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 80R, 51116, 125 11B, 125 11BS, B24B 5304
Patent
active
040116891
ABSTRACT:
A grinding machine incorporating a pair of cup-shaped grinding wheels. Each grinding wheel has an annular outer beveled surface, and the blade to be sharpened is inserted between the mating beveled grinding surfaces. Each grinding wheel can be moved in an axial direction to move the beveled grinding surfaces toward and away from each other. A dressing mechanism is incorporated which includes a pair of dressing pins mounted on a reciprocating bar, the ends of which are pivotally connected to the supporting structure through links. As the bar is moved longitudinally through a rack and pinion mechanism, the dressing elements move across the respective beveled grinding surfaces of the grinding wheels to dress the same.
REFERENCES:
patent: 1369789 (1921-01-01), Dawson
patent: 1894067 (1933-01-01), Smith
patent: 2393937 (1946-01-01), Silven
patent: 2425453 (1947-08-01), Bavosi
patent: 3543446 (1970-12-01), Kilian
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