US PATENT SUBCLASS 175 / 362
.~.~.~ Vertically disaligned cross axle sections

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}
361  DF  .~.~ Cross axle {3}
362.~.~.~ Vertically disaligned cross axle sections

DEFINITION

Classification: 175/362

(under subclass 361) Apparatus comprising a plurality of rolling cutter elements disposed on axes which extend in a single diametric plane through the bit, and which are (1) angularly related to each other within the plane, or (2) offset vertically from each other within the plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

350+, for cutters on laterally offset axes.

355+, for cutters on axes which are disposed in angularly related diametric planes.