| 主权项 |
1. A flexible frame for a high clearance agricultural vehicle, the frame having left and right fore-and-aft extending parallel frame rails, an axle suspended beneath the frame rails, and a suspension system coupling the axle to the frame rails, the suspension system comprising:
a left vertical mount coupled to said left frame rail at a position forward of a rear end of said left frame rail and a right vertical mount coupled to said right frame rail at a position forward of a rear end of said right frame rail, wherein each of said left and right vertical mounts has a rearward facing upper rod bracket, a rearward facing lower rod bracket, and an inward facing cross rod bracket; left and right upper torque rods, each of said upper torque rods having a forward end coupled to respective left or right upper rod bracket, and a rear end coupled to a forwardly facing upper bracket on the axle; left and right lower torque rods, each of said lower torque rods having a forward end coupled to respective left or right lower rod bracket, and a rear end coupled to a forwardly facing lower bracket on the axle; and a cross torque rod having a left end coupled to said inward facing bracket on the left vertical mount and a right end coupled to said inward facing bracket on the right vertical mount; wherein each of the upper, lower and cross torque rods are coupled to their respective torque rod brackets with a rotatable joint, said joint comprising a pin and ball bearings that permits angular rotation of the torque rod about its torque rod bracket. |
