US PATENT SUBCLASS 175 / 367
.~.~ Detachable stub axle, bushing or bearing

Current as of: June, 1999
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175 /   HD   BORING OR PENETRATING THE EARTH

327  DF  BIT OR BIT ELEMENT {21}
331  DF  .~ Rolling cutter bit or rolling cutter bit element {26}
367.~.~ Detachable stub axle, bushing or bearing {1}
368  DF  .~.~.~> Releasable cutter securing device

DEFINITION

Classification: 175/367

(under subclass 331) Apparatus in which the rolling cutter element is journaled on an axle or pin supported at one end only in cantilever fashion, said axle or pin being either (1) readily detachable, or (2) provided with a bearing or bushing which is readily detachable therefrom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

364, for cross axles which are removably connected to part of the bit.