US PATENT SUBCLASS 172 / 399
.~ With power take-off from plural wheels

Current as of: June, 1999
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172 /   HD   EARTH WORKING

395  DF  WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME {10}
399.~ With power take-off from plural wheels

DEFINITION

Classification: 172/399

(under subclass 395) Apparatus in which power derived from the rolling motion of a plurality of ground wheels as the apparatus is propelled over the ground is used to move said

wheels or other ground wheels vertically with respect to the frame.

SEE OR SEARCH THIS CLASS, SUBCLASS:

293+, for apparatus having a plurality of wheels or other elements which are sequentially operated by a power cycle.