US PATENT SUBCLASS 171 / 106
.~.~ Vertically stepped transverse elements


Current as of: June, 1999
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171 /   HD   UNEARTHING PLANTS OR BURIED OBJECTS

84  DF  SEPARATING DIGGER (E.G., VERTICAL COLLECTING TINES) {7}
104  DF  .~ Inclined lifting surfaces {2}
106.~.~ Vertically stepped transverse elements


DEFINITION

Classification: 171/106

(under subclass 104) Apparatus in which the inclined separating digger includes a series of closely spaced, transversely arranged members which are disposed at progressively higher levels away from the direction of draft in order to dig under buried objects and roll them up the ladder rung-like transverse elements.