Load transfer between tractor and towed implement

Details Load transfer between tractor and towed implement Load transfer between tractor and towed implement

A - Human Necessities

01

B

A01B 59/043 (2006.01) A01B 61/02 (2006.01) A01B 63/14 (2006.01)

Patent

CA 2334704

An apparatus for transferring load between: (a) a towing tractor which includes: (i) a three-point linkage which includes three linkage arms (4, 5, 6), and associated hydraulic draft control system; and (ii) a tow- bar (90); and (b) a towed above ground implement which includes a draw-bar (40) which attaches to the tow-bar (90) of the tractor; characterised in that the apparatus includes a shock absorber (17) which is: (iii) connected at one end thereof to at least the two lower arms (4, 5) of the three-point linkage; and iv) at the other end thereof connected to the draw-bar (40) 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 traction axle of the tractor whilst towing the implement.

L'invention concerne un appareil servant au transfert de charge entre (a) un tracteur qui comprend: (i) un attelage trois points possédant trois bras d'attelage (4, 5, 6) et un système hydraulique correspondant de régulation de torsion; (ii) une barre de remorquage (90); et (b) un outil tracté au-dessus du sol qui possède une barre de traction (40) attachée à la barre de remorquage (90) du tracteur. L'invention est caractérisée en ce que l'appareil comprend un amortisseur de chocs (17) qui est (iii) relié par l'une de ses extrémités à l'un au moins des deux bras inférieurs (4, 5) de l'attelage trois points du tracteur et (iv) relié par l'autre extrémité à la barre de traction (40) de l'outil tracté. Le tout est arrangé pour que l'on puisse actionner le système de régulation de torsion du tracteur pour transférer la charge entre le tracteur et l'outil dans la mesure où cela est nécessaire pour maintenir le patinage désiré des roues de l'essieu de traction du tracteur pendant le remorquage de l'outil.

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