Anti-roll torsion bar arrangement for vehicle rear suspension

Details Anti-roll torsion bar arrangement for vehicle rear suspension Anti-roll torsion bar arrangement for vehicle rear suspension

1985-12-02

1987-01-20

Love, John J.

Land vehicles

Wheeled

Running gear

267 57, 280700, 280723, B60G 1900, B60G 2100

Patent

active

046376283

ABSTRACT:
An improved rear axle beam assembly for a trailing arm suspension system. The beam assembly comprises a tubular member extending transversely between the vehicle rear wheels. A pair of first and second outer sleeves, each fixed to the rearward end of a trailing arm, concentrically surround the respective outboard end portions of the tubular member. The first sleeve is fixedly attached to the one end portion of the tubular member while the second sleeve is journally mounted on the other end portion of the tubular member. A pair of first and second wheel support castings each having a collar portion defining an axial bore fixedly receiving therein the outboard end of an associated outer sleeve. An anti-roll torsion bar is axially positioned in the journaled second sleeve end portion of the tubular member. The torsion bar includes a head plate on its outboard end fastened to its associated second casting with the bar's inboard end pinned to the tubular member thereby maintaining the dimensional relationship between the left and right castings. The tubular member other end portion may rotate relative to the second sleeve upon opposite pivotal movement of the trailing arms thereby twisting the torsion bar and increasing the roll stiffness of the suspension system.

REFERENCES:
patent: 3473821 (1969-10-01), Barenyi et al.
patent: 3615081 (1971-10-01), Ravenel
patent: 3615103 (1971-10-01), Dohring et al.
patent: 4140333 (1979-02-01), Thoraval et al.
patent: 4165099 (1979-08-01), Wagner et al.
patent: 4234205 (1980-11-01), Thiesce
patent: 4415178 (1983-11-01), Hatsushi et al.
patent: 4491342 (1985-01-01), Aubry
patent: 4544180 (1985-10-01), Mary et al.

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