Patent ID: 6394474
Filing Date: 2002-05-28
Classification: B60G

Abstract:
A suspension system for a steering axle of a vehicle chassis, the suspension comprising:a right side air spring and a left side air spring, the right side air spring being mounted above the axle and below the right side of the vehicle chassis, the left side air spring being mounted above the axle and below the left side of the vehicle chassis; a first pair of hanger brackets depending from the vehicle chassis forward of the steering axle, one of the hanger brackets being disposed on each major side of the vehicle chassis; a second pair of hanger brackets depending from the vehicle chassis aft of the steering axle, one of the hanger brackets being disposed on each major side of the vehicle chassis; shackle linkages coupled to each of one of the pairs of hanger brackets; a right side spring half leaf and a left side spring half leaf, each spring half leaf being pivotally connected by one end to a shackle linkage and by the opposite end rigidly mounted on the steering axle beneath different ones of the air springs; and a right side rigid arm and a left side rigid arm, each rigid arm being pivotally coupled by one end to one of the remaining pair of hanger brackets, and by the opposite end rigidly attached to the steering axle below an air spring.