US PATENT SUBCLASS 37 / 355
.~.~.~ Longitudinal cut

Current as of: June, 1999
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37 /   HD   EXCAVATING

347  DF  DITCHER {8}
352  DF  .~ Having endless digger {1}
353  DF  .~.~ Endless bucket {2}
355.~.~.~ Longitudinal cut {7}
356  DF  .~.~.~.~> With side cutters
357  DF  .~.~.~.~> With distinct rotary digger
358  DF  .~.~.~.~> Reciprocating endless digger
359  DF  .~.~.~.~> With longitudinal endless conveyor
360  DF  .~.~.~.~> With transverse endless conveyor {1}
362  DF  .~.~.~.~> Drive-related feature
363  DF  .~.~.~.~> Hand operated

DEFINITION

Classification: 37/355

Longitudinal cut:

(under subclass 353) Apparatus wherein the endless bucket rotates parallel to the direction in which the trench is

being formed. [figure] [caption]A - Crawler or excavator; B - Endless chain belt; C - Digging bucket; D - Conveyor

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven,

318+, for conveying apparatus having a vertically swingable conveyor.