Patent ID: 8919793
Filing Date: 2014-12-30
Classification: B60G

Abstract:
1. A suspension for a semi-trailer, adapted to be pivoted in part from an underside of a frame of the trailer by spaced left and right hangers thereof; said suspension comprising: an axle beam, comprising an axle tube; left and right axle sleeves spaced on the axle tube; left and right springs; and left and right trailing beams; wherein each trailing beam comprises a hanger end adapted to couple to the respective hanger therefor, a seat for the respective spring and, intermediate the hanger end and the seat, a connection to the respective axle sleeve; each axle sleeve wraps around the axle tube at spaced left and right positions therefor; each axle sleeve being formed with a front weld aperture and a rear weld aperture and having weld seams in each of the front and rear weld apertures welding the axle sleeve to the axle tube and wherein each axle sleeve and the axle tube are welded together only at the weld apertures; the front and rear weld apertures are not laterally centered on the axle sleeve, but instead, are shifted relatively outboard in the axle sleeve, wherein the welded weld apertures of each axle sleeve for the fully formed suspension that is thereafter ready for over-the-road transport use have a characteristic mounting center (