Articulated utility vehicle

Details Articulated utility vehicle Articulated utility vehicle

1991-03-29

1992-10-13

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

180 20, 180134, 172184, 404126, 280426, B60D 142, B62D 5300

Patent

active

051544393

ABSTRACT:
An articulated utility vehicle having forward and rearward frame portions, each supported by a roller. A pair of fluid-powered rotary actuators are positioned between the front and rear frame portions of the vehicle. One actuator accomplishes side shifting of the rear frame portion relative to the front frame portion. The side shifting actuator has its drive shaft secured to the front frame portion and is oriented with its longtitudinal axis extending horizontally. The other actuator provides for steering of the vehicle. The steering actuator has its body rigidly attached to the rear frame portion and has its axis oriented vertically. The steering actuator is positioned immediately below the side shifting actuator, and has its drive shaft extending upwardly to pivotally couple to a clevis rigidly attached to the body of the side shifting actuator. The actuators can be separately and simultaneously operated to achieve separate and simultaneous steering and side shifting of the vehicle.

REFERENCES:
patent: 3966345 (1976-06-01), Kefel
patent: 4505349 (1985-03-01), Murphy
patent: 4575110 (1986-03-01), Kuhn et al.
Asphalt Compaction: Technology for Smooth Mats and Proper Density; Paving Tecnology '89, p. 81 (Feb. 1989).
Lower half of printed page illustrating "Easy Service-Simplified maintenance means more time on the job." showing an articulation assembly (Applicant admits this reference is prior art).

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