US PATENT SUBCLASS 37 / 394
CABLE-OPERATED (E.G., DRAGLINE)


Current as of: June, 1999
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37 /   HD   EXCAVATING

394CABLE-OPERATED (E.G., DRAGLINE) {3}
395  DF  .~> Boom-type {2}
398  DF  .~> Scoop or bucket {1}
400  DF  .~> Trolley-supported {1}


DEFINITION

Classification: 37/394

CABLE-OPERATED (E.G., DRAGLINE):

(under the class definition) Apparatus including means to pull by a strand capable of exerting only tensile force.

SEE OR SEARCH THIS CLASS, SUBCLASS:

341, for a dredger having a tool in the form of a shovel or bucket.

347+, for a ditcher having a digging tool in the form of a shovel or bucket.

SEE OR SEARCH CLASS

172, Earth Working,

26.5+, for subject matter of that class wherein a scraper is adapted to be connected by a cable or similar flexible means to a fixed structure and is driven relative to that structure.

254, Implements or Apparatus for Applying Pushing or Pulling Force,

264+, for subject matter of that class which includes a drive device which contacts and pulls on a cable when a load is hauled or hoisted between locations.

414, Material or Article Handling,

570, for an endless or a rotary carrier and a dragline scoop.