US PATENT SUBCLASS 83 / 500
.~.~ Tool pair comprises contacting overlapped discs

Current as of: June, 1999
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83 /   HD   CUTTING

469  DF  ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER {11}
495  DF  .~ Tool pair comprises rotatable tools {6}
500.~.~ Tool pair comprises contacting overlapped discs {2}
501  DF  .~.~.~> With means to effect axial pressure on pair {1}
503  DF  .~.~.~> With means to change overlap of discs

DEFINITION

Classification: 83/500

(under subclass 495) Device provided with two cutters, in which each of the cutters has a peripheral cutting edge defined by the junction of a radial plane and a circular cylinder, both the plane and the cylinder being generated about the axis of said cutter, in which the axes of said cutters are spaced apart a distance less than the sum of the radii of the respective cutting edges, and the radial planes of said cutters substantially coincide.

(1) Note. A drum is equivalent to a disc if only the cutting edge at the end thereof is claimed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

430, for structure otherwise similar but in which the periphery of a driven circular cylinder moves the work.