US PATENT SUBCLASS 175 / 368
.~.~.~ Releasable cutter securing device

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  DF  .~.~ Detachable stub axle, bushing or bearing {1}
368.~.~.~ Releasable cutter securing device

DEFINITION

Classification: 175/368

(under subclass 367) Apparatus in which means are provided to secure the cutter element to the removable axle, pin, bushing or bearing and which is releasable to free the cutter element after the removal of the axle, pin, bushing or bearing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

369+, for other releasable cutter securing devices.