Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-03-05
1976-03-23
Jones, Jr., James L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 2300
Patent
active
039451526
ABSTRACT:
A rail head re-form grinding machine is provided with an annular grinding wheel whose lower flat face is adapted to engage and grind the rail head. A circular feeler device fits within the annular grinding wheel and is also engaged by the rail head. The feeler device is vertically movable by a hydraulic piston arrangement the movement of the feeler device being sensed and indicated by a sensing and indicating assembly. The housing which mounts the grinding wheel and feeler device is pivotally carried so that an arcuate surface may be ground on the rail head.
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