Patent ID: 6851690

Claim:
A vehicle suspension system comprising a spring and at least one four-link mechanism, at least three of the links are rotationally coupled links which are able to move with respect to the reminder of the four-link mechanism, wherein a first one of said links of said mechanism is coupled with a vehicle wheel, a second one of said links is coupled with a spring, and the entire four-link mechanism is fastened to a vehicle frame through a third one of said links of said mechanism, to obtain non-linear deformation of the spring with vertical movement of the wheel, wherein three of said links are eccentric in form, whereby one of said links of said four-link mechanism is a shaft with an eccentric form, the eccentric form being coupled rotationally with a fourth link of said four-link mechanism, which is an intermediate eccentric link, the latter being coupled rotationally with the second one of said links, which is a disc, wherein said shaft and the disc pivot within the body of the third one of said links of said four-link mechanism.