US PATENT SUBCLASS 37 / 326
.~.~.~ Rotary

Current as of: June, 1999
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37 /   HD   EXCAVATING

307  DF  BENEATH A BODY OF WATER (E.G., DREDGER) {11}
317  DF  .~ Suction {8}
324  DF  .~.~ Including driven digger adjacent suction inlet (e.g., cutterhead dredger) {3}
326.~.~.~ Rotary {4}
329  DF  .~.~.~.~> Axis transverse with respect to suction pipe
330  DF  .~.~.~.~> Axis vertical with respect to surface of body of water
331  DF  .~.~.~.~> Axis longitudinal with respect to suction pipe
327  DF  .~.~.~.~> Specific cutterhead structure {1}

DEFINITION

Classification: 37/326

Rotary:

(under subclass 324) Apparatus wherein the means for excavating moves in a circular orbit about a single axis. [figure] [caption]A - Suction pipe; B - Cutter element; C - Endless chain or belt; D - Soil wall

SEE OR SEARCH THIS CLASS, SUBCLASS:

189+, for a rotary digger generally.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

383+, for a rotary agitator.

172, Earth Working, 518+, for apparatus having an earth working tool which has a rotational motion in use.