US PATENT SUBCLASS 299 / 32
.~.~ Planer-type cutter

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}
31  DF  .~ Stepper-type advance-causing means {1}
32.~.~ Planer-type cutter

DEFINITION

Classification: 299/32

(under subclass 31) Apparatus in which a cutter, that comprises a blade which shaves off material layer by layer by advance motion only, is moved by the advance-causing means.