US PATENT SUBCLASS 175 / 341
.~.~ Plural rolling cutters with intermeshing teeth


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

Internet Version by PATENTEC © 1999      Terms of Use



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}
341.~.~ Plural rolling cutters with intermeshing teeth


DEFINITION

Classification: 175/341

(under subclass 331) Apparatus in which the bit is provided with a plurality of rolling cutter elements which cutter elements are provided with cutting edges arranged in circumferential rows about each cutter element, and which rows are positioned on each of the cutter elements so that the cutting edges of one row interfit the cutting edges of an adjacent cutter element row.

SEE OR SEARCH THIS CLASS, SUBCLASS:

319, for plural rolling cutter elements provided with cutting edges arranged in circumferential rows about each cutter so that the cutting edges of one cutter element interfit the cutting edges of the other cutter element in driving relation.

SEE OR SEARCH CLASS

241, Solid Material Comminution or Disintegration,

236, for intermeshing plural rotating crushing surfaces in a comminuting device.