(under subclass 236) Apparatus having an earth working element mounted to rotate through 360 deg. about a horizontal transverse axis, the draft responsive lever being operative to rotate the tool on said axis over an arc of less than 360 deg. being caused by a force other than from the lever, usually from earth resistance to the earth working element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
205, for earth working tools alternating for right or left hand operation and draft revoluble about a transverse axis by means of a lever engaging the ground.
528+, for rolling or rotating tools having means to stop or retard the rotation thereof.
SEE OR SEARCH CLASS
37, Excavating, 441, for a scoop with a dumping runner.
