US PATENT SUBCLASS 83 / 826
.~.~.~ Disc

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
821  DF  .~ Guide {4}
824  DF  .~.~ With anti-friction means {2}
826.~.~.~ Disc

DEFINITION

Classification: 83/826

(under subclass 824) Device in which the rotatable element is a wheel-like member having at least one planar or conical surface which contacts the tool or tool support, which element has an axis of rotation perpendicular to the planar surface or coextensive with the axis of the conical surface.