.~ Pair of tools cooperate to move earth to or from plant row
DEFINITION
Classification: 172/642
(under subclass 613) Apparatus in which the earth engaging elements of a pair are nonidentical or positioned in a nonidentical way so as to function in a right and left handed manner in working the earth rather than in an identical manner, the elements being arranged to operate on opposite sides of a crop row for the purpose of simultaneously moving soil onto or away from said row.
SEE OR SEARCH THIS CLASS, SUBCLASS:
70, 71+ and 73, for pairs of nondriven earth working elements which cooperate on opposite sides of a plant row in a right and left hand manner and which are disposed forwardly of or to the rear of a driven earth working element.
159, for laterally spaced right and left hand elements with an intermediate symmetrical element.
686, for plural elements of the right and left hand type.
