B - Operations – Transporting – 60 – G
Patent
B - Operations, Transporting
60
G
B60G 7/02 (2006.01) B60G 11/28 (2006.01)
Patent
CA 2559106
The invention relates to vehicle suspension systems of the type with a trailing arm, and to a seat for securing the trailing arm to an axle or axle casing. Hitherto, trailing arms have been located on axles or axle casings and held in place by the force of U-bolts holding the trailing arm to the axle. Under excessive loads as can be applied to vehicle suspension systems, trailing arms can be moved out of alignment to the detriment of the running of the vehicle. To avoid such movement, seats for trailing arms are known to be welded to vehicle axes or casings and to which the trailing arms are secured such as by U- bolts. Here, manufacturing tolerances can cause a bad, relatively loose fit between the seat and axle or axle casing, causing alignment difficulties when fitting or welding the seat in place, with a large build-up of stresses in the vicinity of the weld when the trailing arm seat is subjected to torsional loading, that can be particularly damaging to an axle casing that ordinarily is formed from the thin sheet metal. The object of the invention is to provide a vehicle suspension that avoids those difficulties mentioned above, which objective is met by a construction comprising an axle and at least one trailing arm, there being a seat for the or each trailing arm, the or each seat having a primary recess in which the axle is located, the primary recess having a transverse secondary recess in which an insert is located, the insert being positively secured in the primary recess, and having end sections extending beyond the edges of the primary recess, that are positively secured to the adjacent walls of the axle.
Hendrickson International Corporation
Robic
LandOfFree
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