Patent ID: 7461854

Claim:
A steering connection assembly that interconnects a detachable implement towed by a tow vehicle moving in a turn angle from a forward direction of travel, the tow vehicle including a drawbar, the detachable implement supported to move on at least one caster wheel assembly, the steering connection assembly comprising: a tow bar having a forward end opposite a rearward end, the forward end pivotally connected by a first pin at the drawbar of the tow vehicle so as to rotate about a first vertical axis defined the first pin, the rearward end fixedly attached at the frame of the agricultural implement; a drive linkage having a forward end pivotally connected by a second pin at the tow vehicle so as to rotate about a second vertical axis spaced from the first vertical axis; a steering linkage interconnecting the rearward end of the drive linkage member to the at least one caster wheel assembly, and a hitch coupling member interconnecting the drive linkage member to the drawbar of the tow vehicle; wherein the hitch coupling member includes a first leg and second leg to receive the drawbar therebetween; wherein the drive linkage communicates a turn signal representative of the turn angle of the tow vehicle to the steering linkage, and in response to the turn signal, the steering linkage steers the at least one caster wheel assembly in a direction toward the turn angle of the tow vehicle.