US PATENT SUBCLASS 212 / 91
.~.~.~ Cable return

Current as of: June, 1999
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212 /   HD   TRAVERSING HOISTS

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
87  DF  .~.~ Draft-rope, hoist-rope traverse {5}
91.~.~.~ Cable return

DEFINITION

Classification: 212/91

Cable return:

(under subclass 87) Draft-rope linear cable-hoist systems comprising a carriage, a hoisting cable which moves the carriage along its track in one direction, and a cable, not a hoisting cable, for moving it in the opposite direction.