US PATENT SUBCLASS 171 / 30
.~ By non-driven rotatable cutter (e.g., rolling)

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

26  DF  WITH ABOVE-GROUND MEANS FOR DETACHMENT OF PLANT PART {6}
30.~ By non-driven rotatable cutter (e.g., rolling)

DEFINITION

Classification: 171/30

(under subclass 26) Apparatus in which portions are severed from the plant by a sharpened member which is mounted to be freely rotatable by contact with the ground or the plant.

(1) Note. The plant parts may be severed either before, during or after recovery of the plant from the earth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5, for rolling disk disposed in a vertical plane for severing vegetation from plants.