Abstract: An independent suspension with no axle is disclosed which includes a hanger and a control arm having opposite first and second ends pivotally mounted to the hanger between the first and second ends. The suspension unit further includes a spindle arm mounted to the first end of the control arm. The suspension unit also includes a jounce spring on the control arm and a rebound spring mounted between the control arm and the hanger. The control arm and hanger are configured such that when the first end of the control arm pivots towards the frame of the vehicle the jounce spring is compressed and the rebound spring is relaxed and when the first end of the control arm moves away from the frame the jounce spring is relaxed and the rebound spring is compressed.

Abstract: A front axle suspension for a heavy duty vehicle including an elongated leaf spring having its front end affixed to the vehicle frame. The spring has its mid section mounted to the axle beam. An equalizer lever assembly is mounted on the rear end of the leaf spring for pivotal movement about an axis transverse to the frame. The rear end of the lever is affixed a shackle pivotally affixed to the frame. A rubber spring is positioned on the forward end of the lever to bear against the underside of the frame. The leaf spring and the equalizer assembly including the rubber spring combine to provide a smooth ride and improved steering control.