Land vehicles – Wheeled – Running gear
Patent
1996-05-09
1998-08-04
Ellis, Christopher P.
Land vehicles
Wheeled
Running gear
280711, 280713, 280725, B60G 100
Patent
active
057882630
ABSTRACT:
A vehicle suspension system having a pair of hanger brackets and a pair of beams. A first end of each beam is attached, via a bushing sleeve to each hanger bracket, and an axle is rigidly attached to the second end of each beam. Each beam is manufactured from a plurality of layers of laminate material which extend circumferentially around the axle and the bushing sleeve. An adhesive layer extends between the bushing sleeve and axle, and the layers of laminate material, for securing the bushing sleeve and axle to the beam. Inasmuch as the laminate material and adhesive have a relatively low modulus of elasticity, these materials flex in response to movement of the axle, thereby assuring that the connection between the laminate beam and the axle remains stable, even as the axle moves in response to forces acting thereon. In another embodiment of the invention, each beam is integrally formed with an air spring piston. In another embodiment of the invention, a parallelogram suspension is provided with a pair of parallel and spaced-apart control arms manufactured of laminate material. Alternatively, the control arms of the parallelogram-type suspension may be integrally formed with a stabilizer bar extending therebetween. In alternative embodiments, a pair of air spring pistons may be mounted on the stabilizer bar, substantially reducing the weight and cost associated with the manufacture and operation of air spring suspension systems.
REFERENCES:
patent: 4166640 (1979-09-01), VanDenberg
patent: 4767134 (1988-08-01), Booher
patent: 4772044 (1988-09-01), Booher
patent: 5020824 (1991-06-01), Mounier-Poulat et al.
patent: 5037126 (1991-08-01), Gottschalk et al.
patent: 5366237 (1994-11-01), Dilling et al.
Ellis Christopher P.
Suspensions Incorporated
LandOfFree
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