US PATENT SUBCLASS 409 / 35
.~.~.~.~.~ Plural distinct cutting edges

Current as of: June, 1999
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409 /   HD   GEAR CUTTING, MILLING, OR PLANING

1  DF  GEAR CUTTING {11}
10  DF  .~ Gear tooth shape generating {7}
31  DF  .~.~ By relative axial movement between synchronously indexing or rotating work and cutter {2}
33  DF  .~.~.~ Displacing cutter axially relative to work (e.g., gear shaving, etc.) {1}
34  DF  .~.~.~.~ Using gear shaper-cutter {2}
35.~.~.~.~.~ Plural distinct cutting edges

DEFINITION

Classification: 409/35

Plural distinct cutting edges:

(under subclass 34) Apparatus or method including a first and a second sharp edge for cutting to shape, wherein either (a) the first sharp edge is part of a cutting tool that is separate from the cutting tool of which the other sharp edge is a part or (b) the first and second sharp edges are members of the same cutting tool but are axially spaced along the axis about which the cutter is adapted to index or rotate.