US PATENT SUBCLASS 212 / 113
.~.~.~.~.~ Side draft

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

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
97  DF  .~.~ Load suspension {8}
110  DF  .~.~.~ Rope grip {2}
111  DF  .~.~.~.~ Variable elevation {2}
113.~.~.~.~.~ Side draft

DEFINITION

Classification: 212/113

Side draft:

(under subclass 111) Variable elevation rope-grip hoists comprising means independent of the hoisting cable for traversing the hoisting carriage. The hoist-rope during the hoisting operation extends at or about right angles to the track.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87+, and 94+, for draft-rope systems comprising particular arrangements of hoisting and traversing cables.