(under subclass 452) Apparatus in which the wheeled frame carries a draft means for connecting it to a propelling
means, said draft means being movable relative to the frame and interconnected with an earth working element whereby movement of the draft means relative to the frame causes vertical movement of the earth working element relative to the frame, said frame also carrying an actuator adapted to lift the earth working element for transport on the frame.
SEE OR SEARCH THIS CLASS, SUBCLASS:
239+, for devices having draft responsive depth control means.
605+, for devices adjusted by utilizing the draft force on a shiftable hitch.
SEE OR SEARCH CLASS
414, Material or Article Handling, 435, for motion or draft responsive load handler including movably connected vehicle sections.
