US PATENT SUBCLASS 212 / 87
.~.~ Draft-rope, hoist-rope traverse

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

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
87.~.~ Draft-rope, hoist-rope traverse {5}
88  DF  .~.~.~> Divided hoist-rope
89  DF  .~.~.~> Hook-lowering
90  DF  .~.~.~> Running track
91  DF  .~.~.~> Cable return
92  DF  .~.~.~> Gravity return {1}

DEFINITION

Classification: 212/87

Draft-rope, hoist-rope traverse:

(under subclass 76) Hoists comprising a track, a carriage thereon, a hoisting machine fixed in relation to the track, a hoisting cable extending from the hoisting machine to the carriage for hoisting the load and traversing the carriage in one direction, the load being partly or wholly suspended during traversing movement from the hoisting means, and elements thereof not elsewhere classifiable.