WISHBONE-SHAPED LINKAGE COMPONENT AND SUSPENSION SYSTEMS INCORPORATING THE SAME

摘要

A four-point wishbone-shaped linkage is disclosed for use in a suspension system. The wishbone-shaped linkage includes a base and two limbs that extend away from the base creating a large mouth open area between the limbs and base. The base includes a bar and bushing assembly extending laterally therethrough. Also disclosed are suspension systems incorporating the four-point wishbone-shaped linkage. The suspension system connects an axle to a vehicle chassis that has a first frame member extending longitudinally on one side of the chassis and a second frame member extending longitudinally on the opposite side of the chassis. The first and second frame hangers are mounted to the first and second frame member, respectively. A cross member connects the first and second frame hangers. In addition to the wishbone-shaped linkage, the suspension system includes first and second air springs connected to first and second frame members respectively and to the axle. A shock absorber is likewise connected to each frame member and axle. Torque rods are also included. One torque rod is pivotally connected to the axle and first frame hanger and a second torque rod is pivotally connected to the axle and second frame hanger. The wishbone-shaped linkage is pivotally connected to the axle and cross member.