Land vehicles – Wheeled – Running gear
Patent
1982-09-30
1984-08-14
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
280713, B60G 1126
Patent
active
044652984
ABSTRACT:
A suspension system for a drive axle includes an angular torque beam fixedly secured to the axle, one or two air springs extending between the torque beam and the chassis, and a universal joint comprised of two transversely mounted rubber bushings mounting the forward end of the torque beam to the chassis. The drive axle suspension may also have a beam guide mounted to the torque beam and extending upwardly adjacent the chassis frame, or a cross radius rod to limit lateral movement. Another embodiment of the suspension is for a steer axle which has a straight torque beam and either an outboard beam guide or an aft vertical rail guide to limit the lateral displacement of the suspension with respect to the chassis.
REFERENCES:
patent: 3547215 (1970-12-01), Bird
patent: 4132433 (1979-01-01), Willetts
patent: 4309045 (1982-01-01), Raidel
patent: 4397478 (1983-08-01), Jensen et al.
patent: 4406479 (1983-09-01), Chalmers
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