US PATENT SUBCLASS 299 / 71
.~ Relatively shiftable cutters


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}
71.~ Relatively shiftable cutters


DEFINITION

Classification: 299/71

(under subclass 29) Apparatus including plural, separate cutters, the cutters being connected to supporting structure in such a manner as to permit the cutters to be bodily swung or otherwise shifted relative to each other and to the supporting structure.

(1) Note. For the definition of cutter see this class, subclass 79.