Kennametal Inc.

Gerald L Greenman

Gerald D Murray

A reciprocating assembly for moving an abrasive element over a workpiece. The reciprocating assembly utilizes a piston arrangement operated by pressurized fluid wherein the abrasive element is extended over the workpiece at one rate and is retracted along the workpiece at another rate.

Reciprocating assembly for abrading a workpiece

A holder for an abrasive element used to abrade the surface of a workpiece. The holder is made of an abrasive pad resiliently mounted upon a holder in a manner providing to the pad multiple degrees of freedom of motion.

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Geneva, OH, United States of America

Gerald L Greenman