Vehicle suspension device

摘要

A vehicle suspension device includes a hydraulic damper including a vertical cylinder and a piston rod slidably extending out of the cylinder through the upper end thereof, and an air spring unit including a flexible tubular wall portion member having an inner wall mounted on the cylinder, an outer wall portion mounted on a tubular support member secured to the extending end of the piston rod and a rolling wall portion. A cylindrical housing is rotatably and sealingly mounted on the upper end of the cylinder and extends along the outer circumference of the cylinder, and the free end of the inner wall portion of the flexible tubular wall is secured to the upper end of the housing.