US PATENT SUBCLASS 172 / 416
.~.~ One ground support translates and another swings

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

395  DF  WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME {10}
415  DF  .~ Translating motion {3}
416.~.~ One ground support translates and another swings

DEFINITION

Classification: 172/416

(under subclass 415) Apparatus having at least one additional ground support which pivots about a horizontal axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

405, for interconnected translating and swinging wheels.