Self-steering tandem axle bogie

Details Self-steering tandem axle bogie Self-steering tandem axle bogie

1977-04-22

1978-10-17

Silverstrim, John P.

Land vehicles

Wheeled

Running gear

280677, 280426, 280442, B62D 1300

Patent

active

041205090

ABSTRACT:
A self-steering tandem bogie for the rear of an articulated vehicle. The bogie comprises a front and a rear axle which are universally attached to a pair of longitudinally extending walking beams for sliding motion thereon, affording angular variation of the axles during vehicle turning. The load of the vehicle is transferred to the bogie by a steering unit which is universally attached to the walking beams between the two axles. As the vehicle executes a turn, the steering unit rotates in the direction of vehicle turn, while the walking beams tend to maintain the straight-drive orientation. This relative movement between the steering unit and the walking beams is transmitted to the front axle by a pair of steering arms, causing the front axle to rotate in the direction of turn, and thereby facilitating vehicle turning.

REFERENCES:
patent: 1940798 (1933-12-01), Hanna
patent: 2227448 (1941-01-01), Freeman
patent: 2874973 (1959-02-01), Botkin
patent: 3162463 (1964-12-01), Schmitz

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