Suspension system for an axled vehicle

Claim 1

A suspension system for a vehicle having a frame which includes a pair of spaced substantially horizontal longitudinal frame members, said suspension system comprising an upper bracket secured to each frame member, each upper bracket having diverging downwardly extending end parts projecting below its supporting frame member and longitudinally of the vehicle, a lower bracket spaced below each upper bracket and including diverging downwardly extending end parts each underlying a corresponding end part of the overlying upper bracket and an intermediate part, a resilient member disposed between and fixedly interconnected to each pair of corresponding upper and lower bracket end parts, said resilient member being inclined relative to the frame member from which it is supported so as to be placed predominantly in compression when supporting the vehicle load, and an axle extending transversely of said frame between the end parts of each lower bracket, said axle being secured to the intermediate part of each lower bracket and carrying wheels each located adjacent an upper bracket and having an outer perimeter extending beyond the extreme edges of the resilient members secured to said adjacent upper bracket.