Land vehicles – Wheeled – Running gear
Patent
1980-01-21
1981-07-14
Song, Robert R.
Land vehicles
Wheeled
Running gear
267 21R, B60G 500
Patent
active
042782716
ABSTRACT:
A tandem axle vehicle suspension system has a pedestal mounted to a chassis member and extending downwardly to support a trunnion shaft extending the width of the vehicle and between two suspension systems. A compensator is pivotally attached to the trunnion shaft. A fore torque beam and a rear torque beam are pivotally attached to and extend between the compensator and an axle. A central, principal load-bearing elastomer spring is held in position between the upper portions of the torque beams with sandwich type secondary springs extending between the compensator and each torque beam. In one embodiment, a mounting stud extends into the cylindrical opening at each end of the elastomer spring to hold it in position. In an alternate embodiment, fiber block assemblies are mounted to each end of the elastomer spring and opposing U-shaped saddle brackets with arcuate slots capture each end of the spring and permit limited arcuate movement of each end of the spring with respect to its adjacent torque beam.
REFERENCES:
patent: 3471165 (1969-10-01), Raidel
patent: 3572745 (1971-03-01), Willets
patent: 3632128 (1972-01-01), Raidel
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