US PATENT SUBCLASS 409 / 14
.~.~.~ Including means to shift hob between cutting passes


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}
11  DF  .~.~ Hobbing {5}
14.~.~.~ Including means to shift hob between cutting passes


DEFINITION

Classification: 409/14

Including means to shift hob between cutting passes:

(under subclass 11) Apparatus wherein the cutting tool is adjustable relative to the workpiece, when out of engagement with the workpiece, by being repositioned along the cutter axis.

(1) Note. The adjustment of this subclass is usually to bring about more uniform wear of the teeth of the hob.