Patent ID: 6533307
Filing Date: 2003-03-18
Classification: A01B

Abstract:
An apparatus for transferring load between a towing tractor which includes a three-point linkage which includes three linkage arms, an associated hydraulic draft control system, and a tow-bar, and a towed above ground implement which includes a draw-bar which attaches to the tow-bar of the tractor, said apparatus comprises:a shock absorber which is: (i) connected at one end thereof to at least the two lower arms of the tractor's three-point linkage; (ii) at the other end thereof is connected to the draw-bar of the towed implement in a manner that allows the draft control system of the tractor to be activated so as to transfer load between the tractor and the implement, as is required to maintain the desired wheel slippage of the tractor's traction axle while towing the implement; and (iii) configured to absorb any vertical forces associated with a change in the effective load of the implement.