Land vehicles – Wheeled – Attachment
Patent
1979-12-06
1981-02-03
Song, Robert R.
Land vehicles
Wheeled
Attachment
280112A, 280688, 280713, 280716, B60G 902
Patent
active
042484472
ABSTRACT:
The advent of relatively wide beadless tires on off-highway trucks and the like has dictated the desirability of providing a suspension system which separates the damping functions during the bounce and roll movements occurring between a truck frame and an axle assembly suspended thereunder. In particular, it is desirable to provide a soft suspension during the bounce mode of vehicle operation whereas a relatively stiff suspension is desired during the roll mode thereof. The suspension system (12) of this invention accomplishes the above by providing a first suspension (18) for damping bouncing movements (B) and a separate and isolated second, suspension (24) for damping rolling movements (R), with the second suspension (24) being disposed in a vertical plane which intersects a universal connection (16) connecting an axle assembly (11) to a vertical frame (10). The second suspension (24) includes a pair of springs (25) which are spaced outboard of the frame (10) to and in stabilizing the vehicle.
REFERENCES:
patent: 3155397 (1964-11-01), Stump
patent: 3520548 (1970-07-01), McGee
patent: 3552798 (1971-01-01), Cole
patent: 3726540 (1973-04-01), Grooss
patent: 3768672 (1973-10-01), Grooss
patent: 3840244 (1974-10-01), Gee
patent: 4053170 (1977-10-01), Hyler
patent: 4053171 (1977-10-01), Hyler
patent: 4057121 (1977-11-01), Stedman
patent: 4071277 (1978-01-01), Stedman
Caterpillar Tractor Co.
Song Robert R.
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