F - Mech Eng,Light,Heat,Weapons – 41 – H
Patent
F - Mech Eng,Light,Heat,Weapons
41
H
280/179, 296/2
F41H 7/00 (2006.01)
Patent
CA 1134883
XLO-127 ABSTRACT OF THE DISCLOSURE A suspension system for wheeled vehicles, particu- larly adapted to extended travel suspension systems for armored wheeled vehicles in which each of the front and rear vehicle wheel assemblies are mounted on a trailing arm sus- pension. The front suspension system includes an axle housing supported at either outboard end by a bell crank assembly, each including a trailing arm pivotally mounted to the axle housing at one end and at the other to a pivotal support on the vehicle hull or frame with a second shorter crank arm acting on a coil spring to resist arm motion by compression of the spring. A constraining link pivotally connected to each axle housing end constrains the motion of the axle housing on the trailing arms to maintain the attitude of the axle housing while a sway bar constrains the side-to-side motion of the axle housing, each wheel assembly is mounted to be steerable on the axle housing, with driving power delivered to the wheels by axle shafts dis- posed within the axle housing. Within each coil spring is disposed a stack of rubber bumper elements compressed with the spring while a pair of rubber bushings is provided at each pivot point of each of the trailing arms, the damping action of the stack bumpers and bushings performing a shock absorbing func- tion. The rubber bushings also act as torsional springs and to accommodate limited tilting motion of the axle housing. The trailing arms each are inclined inwardly to closely posi- tion the coil springs, which extend generally horizontally within the nose of the vehicle hull to minimize the overhead clearance required and provide ready access to the coil springs. An independent trailing arm suspension supports the rear wheels, with a bell crank assembly compressing respective coil springs XLO-127 with driving power delivered by means of universal joints from a fixed differential gear unit. The axle housing sup- porting the front wheels passes beneath a tunnel formed in the hull to accommodate its vertical travel, while the vehicle wheel assemblies are disposed in recesses in the vehicle hull, covered by displaceable fairing panels which serve to accom- modate the extended upward movement of the wheels during extreme displacement of the suspension system.
325298
Cadillac Gage Company
Macrae & Co.
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