US PATENT SUBCLASS 299 / 56
.~.~ With material-handling means

Current as of: June, 1999
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299 /   HD   MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL

29  DF  HARD MATERIAL DISINTEGRATING MACHINES {17}
55  DF  .~ Rotary cutter head with advance direction coincident to rotary axis {2}
56.~.~ With material-handling means {1}
57  DF  .~.~.~> Cooperates with laterally spaced heads

DEFINITION

Classification: 299/56

(under subclass 55) Apparatus combined with means for moving or carrying material away from the position at which it is broken up.