Articulated work vehicle

Details Articulated work vehicle Articulated work vehicle

1995-08-14

1998-03-10

Johnson, Brian L.

Motor vehicles

Vehicle trains

Drive means betwen vehicles through coupling

180418, 180235, B60K 1700

Patent

active

057250634

ABSTRACT:
A work vehicle includes an articulation joint between a front section and a rear section. The articulation joint comprises two vertically spaced pivotal support bearings defining a rotational axis of the joint. First and second drive trains extend through the joint for transmitting drive power between the front and rear sections of the vehicle. Steering actuators which are coupled between the front and rear sections for selectively articulating the joint are trunnion-mounted, providing a compact articulation joint. Free volumes are provided adjacent to cap ends of the actuators to allow for pivotal movement of the steering actuators during articulation of the joint. The first drive train extends between an engine in one section of the vehicle and a transmission in the other section for driving the transmission and a first set of wheels, while the second drive train extends from the transmission to the first section of the vehicle for driving a second set of wheels. Each drive train is positioned in a common plane with mating power transmission elements in the front and rear sections of the vehicle. The first drive train is positioned between the support bearings and the second drive train is positioned below both support bearings.

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