US PATENT SUBCLASS 83 / 502
.~.~.~.~ With means to change axial pressure

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  DF  .~.~ Tool pair comprises contacting overlapped discs {2}
501  DF  .~.~.~ With means to effect axial pressure on pair {1}
502.~.~.~.~ With means to change axial pressure

DEFINITION

Classification: 83/502

(under subclass 501) Device including means to adjust the urging means whereby the force between the cutters is varied.