Land vehicles – Wheeled – Running gear
Patent
1975-03-31
1976-08-31
Wood, Jr., M. H.
Land vehicles
Wheeled
Running gear
267 33, B60G 1116
Patent
active
039777006
ABSTRACT:
A tandem axle suspension has a bracket supporting a trunnion on which a pair of beams is journaled rockably in side-by-side relation, each beam having first and second arms extending to opposite sides of the trunnion, the first beam arms projecting in opposite directions and having their distal end portions extending along a common axis and each arranged to receive an axle for a wheel located at one side of the common axis, the first beam arms having respective upwardly facing spring supports which are offset toward the opposite side of the common axis, compression springs carried upon the supports being engaged by downwardly facing thrust structure on the second beam arms. Torsional equilibrium is attained in a vertical plane through the axis of the trunnion and about the common axis of the first arms. Rotation about the common axis of the first arms is limited to avoid excessive operating stress in bushings between the trunnion and the beams, but angular conical displacement capability is provided in bushings between the axles and the first arms of the beams.
REFERENCES:
patent: 2980417 (1961-04-01), Pence
patent: 3069149 (1962-12-01), Neff
patent: 3473797 (1969-10-01), Selzer
patent: 3746361 (1973-04-01), McGee
patent: 3751063 (1973-08-01), Raidel
patent: 3797817 (1974-03-01), Deisenroth
Carroll John A.
Dura Corporation
Wood, Jr. M. H.
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