US PATENT SUBCLASS 37 / 400
.~ Trolley-supported


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



37 /   HD   EXCAVATING

394  DF  CABLE-OPERATED (E.G., DRAGLINE) {3}
400.~ Trolley-supported {1}
401  DF  .~.~> Including cable or rope control means to facilitate loading, transporting, or dumping


DEFINITION

Classification: 37/400

Trolley-supported:

(under subclass 394) Apparatus wherein the scoop or bucket is movable along or upon a cableway, the cableway being so arranged to permit the scoop or bucket to engage the ground for digging and filling, and to be tightened to cause the scoop or bucket to be operated free of the ground. [figure] [caption]A, C - Cable drums; B - Bucket; D, E - Support towers; F - Load supporting cableway; G - Trolley assembly; H - Sheave pulley

SEE OR SEARCH CLASS

212, Traversing Hoists,

76+, for a load handling hoist including a track, a carriage thereon, a hoisting machine fixed in relation to the track, and one or more cables extending from the hoisting machine to the carriage for hoisting and traversing the load.

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

264+, for apparatus for hauling or hoisting load; subclasses 389+ for a device or member for contacting and guiding a moving cable.

414, Material or Article Handling,

560+, for a traversing, hoisting-type material holding implement; subclasses 595+ for an elevator or a hoist including loading or unloading means.