(under subclass 145) Apparatus in which one of the diverse implements includes an earth working element which is given a rotating motion by the resistance of the earth as it is drawn thereover.
SEE OR SEARCH THIS CLASS, SUBCLASS:
143, for diverse tools one of which is a tool which has an intermittent rolling motion imparted thereto.
146+, for four or more diverse implements following the same path and including a rolling implement.
148, for longitudinally spaced like implements with an intermediate diverse implement including a rolling implement.
175+, for two rolling and nonrolling implements following the same path.
184+, for two diverse rolling implements following the same path. 518+, for rolling implements, per se.
