Vehicle with vertically movable and vertically pulsating wheels

Details Vehicle with vertically movable and vertically pulsating wheels Vehicle with vertically movable and vertically pulsating wheels

1998-05-14

1999-10-19

Ellis, Christopher P.

Land vehicles

Body elevation or tilt

Terrain slope compensation

280 5505, 280 552, B60T 1702

Patent

active

059675292

ABSTRACT:
An all-terrain vehicle including centrally pivoted bogies on opposite sides of the vehicle body, a primary yoke mounted on the vehicle body and extending crosswise to the vehicle body for coupling the bogies to each other, a secondary yoke mounted on the vehicle body and connected to the vehicle body by hydraulic cylinders at opposite ends thereof, and a selectively actuatable clutch for coupling the secondary yoke to the primary yoke so as to cause the hydraulic cylinders to drive both yokes a desired amount to positively move the bogies to a desired position, and hydraulic circuitry coupled to the hydraulic cylinders for applying a pulsating action to the bogies which is transmitted to the vehicle wheels mounted on opposite ends of the bogies for increasing traction of the wheels on surfaces such as snow, ice, mud and sand. The pulsating action can be applied either when the bogies have been moved to and maintained in a predetermined position or when the bogies are freely pivoting as the vehicle is passing over terrain. A conventional vehicle which includes structure for vertically pulsating individual wheels and changing their elevation relative to the vehicle body.

REFERENCES:
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patent: 5529324 (1996-06-01), Krawczyk et al.
patent: 5538266 (1996-07-01), Martin et al.
patent: 5601307 (1997-02-01), Heyring et al.

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