US PATENT SUBCLASS 83 / 878
.~.~.~ Blades turning about perpendicular axes

Current as of: June, 1999
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83 /   HD   CUTTING

861  DF  OTHER THAN COMPLETELY THROUGH WORK THICKNESS OR THROUGH WORK PRESENTED {6}
875  DF  .~ Grooving {1}
876  DF  .~.~ By use of plural independent rotary blades {2}
878.~.~.~ Blades turning about perpendicular axes

DEFINITION

Classification: 83/878

Blades turning about perpendicular axes:

(under subclass 876) Method or apparatus wherein the axes about which the cutting tools turn are normal to each other when viewed along the direction of relative infeed of the cutting tool and the workpiece.