US PATENT SUBCLASS 212 / 83
.~.~.~ Load suspension

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

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
77  DF  .~.~ Load-handling {2}
83.~.~.~ Load suspension {2}
84  DF  .~.~.~.~> Grab
85  DF  .~.~.~.~> Sling

DEFINITION

Classification: 212/83

Load suspension:

(under subclass 77) Load-handling hoists comprising a track, a carriage thereon, a hoisting machine fixed in respect to the track, and one or move cables extending from the hoisting machine to the carriage for hoisting and traversing the load, and means for supporting the load directly from the carriage during traversing movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

97+, for similar devices comprising no special means for receiving, engaging, gripping, discharging, or releasing the load.

SEE OR SEARCH CLASS

37, Excavating, appropriate subclasses for similar devices comprising means for filling a bucket by dragging it through the material.