| 摘要 |
A third axle is provided with auxiliary wheel mounts at opposite ends. Auxiliary cantilever leaf springs are fixed at their rear ends to the third axle and are pivotally connected at their forward ends to anchor plates which are mountable on the main rear axle, using the existing or similar U-shaped bolts normally used to attach the rear chassis frame support springs to the rear axle. Load transferring brackets secured to the chassis frame rest against the auxiliary springs intermediate their ends to transfer a predetermined portion of the load to the auxiliary wheels under all load conditions. The brackets are clamped to the chassis frame by bolts which bear against the top and bottom surfaces of portions of the frame to eliminate drilling, welding or otherwise modifying the frame.
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