Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1985-05-17
1986-11-11
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51249, 5116577, B24B 342
Patent
active
046214569
ABSTRACT:
A grinding machine for cylinder type mowing machine blades, the machine including an arrangement for indexing the blade cylinder around from one blade to the next so that it can be completely relief ground in one operation without the intervention of an operative. The machine includes a grinding wheel head which can be traversed to and fro on guides to grind each blade in turn, and a motor unit and a clutch device for driving the blade cylinder when it is required to index the cylinder around from one blade to the next, the motor unit and clutch device being controlled by electronic signals given by proximity switches responsive to the position of the grinding wheel head and to the positioning of the blade cylinder.
REFERENCES:
patent: 4148158 (1979-04-01), Hewitt
patent: 4192103 (1980-03-01), Sousek
Hinds William R.
Rachuba Maurina
Schmidt Frederick R.
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