(under subclass 324) Apparatus in which the draft means comprises a tongue on the framework, and an earth working element is connected to the tongue so as to be rigidly related to it and to move with it when it is moved by the actuator.
(1) Note. For the meaning of "actuator" see the class definition.
(2) Note. The earth working element may be adjustable with respect to the tongue but must be rigidly related to it in any position of adjustment.
SEE OR SEARCH CLASS
111, Planting,
56, for forward and rearward sections connected by a transverse pivot and capable of a buckling action to lift certain parts of the planter.