Patent ID: 7896369

Claim:
A suspension system for mounting an axle to a longitudinally extending vehicle structure having a longitudinally extending centerline, said suspension system comprising: a pair of transversely spaced frame brackets, each of said pair of frame brackets being mounted on and depending from said vehicle structure; said each of said frame brackets having an air spring attachment plate extending from said frame bracket inboard toward said centerline of said vehicle structure; each of said frame brackets having one or more mounting points located along its perimeter; a pair of suspension arms transversely spaced, each suspension arm having a first end and a second end; each of said first ends being angled toward said centerline of said vehicle structure; each of said suspension arms being attached to said axle; a first pair of transversely spaced air springs, each of said first pair of air springs being mounted to a said first end of each of said suspension arms and also mounted to a said air spring attachment plate protruding from one of said frame brackets, said first transversely spaced air springs extending generally upward from the suspension arms to its said air spring attachment plate; a pair of second suspension system components, each of said second components being mounted to a said suspension arm and also attached to one of said mounting points on said frame bracket; and a second pair of transversely spaced air springs longitudinally spaced apart from said first pair of air springs, each of said second pair of air springs being mounted on a second end of a said suspension arm, each of said second pair of air springs extending upwardly and being attached to said vehicle structure.