Land vehicles – Wheeled – Running gear
Patent
1977-06-15
1979-05-22
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Running gear
414459, B60G 502
Patent
active
041555708
ABSTRACT:
To simplify, lighten and reduce the cost of the rear wheel suspension on straddle carriers while increasing the operational efficiency of the suspension, a longitudinal walking beam is swingably mounted at its center on a transverse axis trunnion secured to a sturdy depending box beam on the straddle carrier frame. Rear wheel axle assemblies for pairs of tandem rear wheels are carried by the forward and rear ends of the walking beam. Shock struts are interconnected between the forward and rear ends of the walking beam and sturdy holders on the interior of the depending box beam in upwardly converging relationship for efficient operation. The shock struts can be hydraulic, air operated or mechanical with coil springs and cables.
REFERENCES:
patent: 2754131 (1956-07-01), Tulin
patent: 3031203 (1962-04-01), Christenson
patent: 3774934 (1973-11-01), McGee
Carroll John A.
Fishburne, Jr. B. P.
Matter, Inc.
Peters Jr. Joseph F.
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