US PATENT SUBCLASS 175 / 360
.~.~ Cross axle with stub axle


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}
360.~.~ Cross axle with stub axle


DEFINITION

Classification: 175/360

(under subclass 331) Apparatus comprising a plurality of rolling cutter elements and in which one cutter is journaled on an axle or pin disposed transversely of the bit axis and which axle or pin is supported at spaced points and another rolling cutter element is journaled on an axle or pin supported at one end only and extending in cantilever fashion.

(1) Note. The stub axle may be a continuation of the cross axle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

355, 357 and 358+, for rolling cutters on cross and stub axles which are circumferentially displaced in a horizontal plane about the bit axis.