Elevator tee deburring device

Details Elevator tee deburring device Elevator tee deburring device

1975-07-21

1976-08-17

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 40, 51178, B24B 702

Patent

active

039745945

ABSTRACT:
Apparatus is disclosed that is operative to grind burrs from the ends of rails that have been saw cut to length. A manually positionable crosshead carries three grinding wheels, two of which are oppositely spaced and spring biased into engagement with oppositely facing surfaces of the rails. The other grinding wheel is effective to operate on the rail surface bridging the oppositely facing surfaces. Means are provided for urging the oppositely spaced grinding wheels apart during retractive movement of the crosshead. A retractable workpiece stop may be provided to position the workpiece with respect to the grinding wheels.

REFERENCES:
patent: 1966869 (1934-07-01), Owen
patent: 2505815 (1950-05-01), Wodetzky
patent: 2722087 (1955-11-01), Hamilton
patent: 2926460 (1960-03-01), Ackerman
patent: 3768350 (1973-10-01), Coulter
patent: 3883323 (1975-05-01), Cooley

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