US PATENT SUBCLASS 172 / 231
.~.~.~ Power derived from ground wheel

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

Internet Version by PATENTEC © 1999      Terms of Use


172 /   HD   EARTH WORKING

204  DF  ALTERNATING FOR RIGHT OR LEFT HAND OPERATION (OTHER THAN SCRAPER) {10}
228  DF  .~ Parallel separate tools {2}
230  DF  .~.~ Independently operable {1}
231.~.~.~ Power derived from ground wheel

DEFINITION

Classification: 172/231

(under subclass 230) Apparatus in which each of the operating means is actuated by power derived from a separate wheel engaging the ground and turned as an incident to the travel of the machine over the ground.

SEE OR SEARCH THIS CLASS, SUBCLASS:

399, for vertically adjustable ground supports with a power take-off from plural wheels.

408+, for vertically adjustable ground wheels in which the wheel actuates its own crank axle mount.

492+, for tools lifted for transport on a wheeled frame by means of an actuator operated by a power take-off, the power

take-off usually being from a ground wheel.