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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.