US PATENT SUBCLASS 299 / 49
.~.~.~ Driver for member rotates about horizontal axis

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}
42  DF  .~ Sidewall-working (e.g., drum-type cutter) {4}
47  DF  .~.~ Driven flexible member causes advance {2}
49.~.~.~ Driver for member rotates about horizontal axis {1}
50  DF  .~.~.~.~> Axis transverse to direction of advance

DEFINITION

Classification: 299/49

(under subclass 47) Apparatus in which the flexible element is coiled about an element (e.g., a drum) which rotates about a substantially horizontal axis.