US PATENT SUBCLASS 299 / 1.8
.~.~ Of rotary cutter with advance direction coincident to rotary axis

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

1.05  DF  AUTOMATIC CONTROL; SIGNALING OR INDICATING {4}
1.4  DF  .~ Of hard material disintegrating machines {3}
1.8.~.~ Of rotary cutter with advance direction coincident to rotary axis

DEFINITION

Classification: 299/1.8

Of rotary cutter with advance direction coincident to rotary axis:

(under subclass 1.4) Process or apparatus in which the cutter is continuously moved unidirectionally about an axis and is caused to translate along said axis.