US PATENT SUBCLASS 37 / 462
ENDLESS DIGGER


Current as of: June, 1999
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37 /   HD   EXCAVATING

462ENDLESS DIGGER {2}
463  DF  .~> With endless conveyor {1}
465  DF  .~> Digging chain, bucket, blade, or tooth structure, per se


DEFINITION

Classification: 37/462

ENDLESS DIGGER:

(under the class definition) Apparatus wherein the cutting or breaking device is in the form of a series of elements connected to one another in a continuous loop travelling about two or more pulleys, sprockets, or drums. [figure] [caption]A - Spoil bank; B - Mass of overburden; C - Seam dug by the excavator; D - Endless digging means; E - Endless flexible member or chain; F - Tracked wheels

SEE OR SEARCH THIS CLASS, SUBCLASS:

305, for an endless digger or conveyor.

332, for an endless driven digging element.

338+, for endless bucket line.

352, for a ditcher with an endless nonbucket-type digging means.

353+, for a ditcher with an endless bucket. 388, for a road grader having a transverse endless scraper or bucket.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

89+, for an earth boring tool element on a continuously driven flexible endless member.

198, Conveyors: Power-Driven,

509, for a conveyor having buckets specialized to gather load batches; subclasses 701+ for an endless bucket conveyor of general utility.

299, Mining or In Situ Disintegration of Hard Material,

79.1+, for a cutterhead or tooth, especially subclasses 82.1+ for a chain-type head with plural teeth on a single link.