Patent ID: 8998229
Filing Date: 2015-04-07
Classification: B60G

Abstract:
1. An axle bearing beam suspension system for an axle of a wheeled vehicle, the suspension system comprising a pair of elongated beams, one of the beams being located adjacent to each side of the vehicle, the beams being spaced from one another, the axle extending across an entire width of the vehicle, the axle having at least one wheel located on each end thereof, a pneumatic bellows located en each of the beams, a hanger bracket located at one end of each beam for connecting the axle to a frame of the vehicle, an opposite end of each beam being connected to the axle, each beam being formed from an upper section and lower section, each section having one end that is connected directly or indirectly to the hanger bracket and an attachment portion at an end that is connected to the axle, the attachment portion having a shape that corresponds to part of an outer surface of the axle, the attachment portion on the lower section being welded to a lower part of the axle and the attachment portion on the upper section being welded to an upper part of the axle immediately above the lower section, the two attachment portions of the upper and lower sections of each beam being substantially the same as one another, the upper section having a surface to support the bellows, the upper and lower sections each having T-shaped cross sections, a bottom edge of the upper section having a shape that is a mirror image of an upper edge of the lower section such that the upper and lower edges of each section are curved form a line of contact with one another for some distance when the sections are installed on the axle.