(under the class definition) Apparatus comprising a frame, a hitch carried by the frame for connection to a propelling means, said hitch being movable with respect to the frame, and earth working element movably carried by the frame and means interconnecting the hitch and earth working element whereby movement of the hitch with respect to the frame causes movement of the earth working element with respect to the frame.
(1) Note. This definition is intended to include devices in which an earth working element has a normal earth working position and is moved by the hitch after it has moved up from the normal position on striking an obstacle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
238, for an implement comprising a ground support moved vertically relative to the frame by a draft force.
467, an implement comprising a tool having vertical movement caused by a shiftable hitch combined with an actuator adapted to lift the tool for transport on a wheeled frame or broadly claimed implement.
588, for an implement comprising laterally disposed disk gangs which are horizontally angled by a hitch longitudinally movable on a tongue. SEE OR SEARCH CLASS
414, Material or Article Handling,
435+, for a draft responsive load handler and transporter.