Unitized fifth wheel and rear axle suspension

Details Unitized fifth wheel and rear axle suspension Unitized fifth wheel and rear axle suspension

2006-09-26

2006-09-26

Dickson, Paul N. (Department: 3616)

Land vehicles

Wheeled

Articulated vehicle

C280S124178, C280S124178

Reexamination Certificate

active

07111862

ABSTRACT:
A modular suspension system for short distance repositioning tractors, often referenced as terminal tractors, isolating the shock and impact of a retractable fifth wheel and rear axle from the frame of the terminal tractor by the arrangement of a rear axle and fifth wheel boom having lift cylinders between them and joining the rear axle, a lift arm assembly and a trailing arm assembly as a singular modular unit, isolated from the frame of the terminal tractor by elastomeric bushings at a forward location and pivot point on the terminal tractor frame, with a secondary suspension located at the rear of the singular modular unit.

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