Four wheel-drive vehicle

Details Four wheel-drive vehicle Four wheel-drive vehicle

2007-08-28

2007-08-28

Hurley, Kevin (Department: 3611)

Motor vehicles

Having four wheels driven

With means for steering all driven wheels

C180S378000, C091S487000

Reexamination Certificate

active

11476692

ABSTRACT:
An articulate vehicle comprises a first frame disposed at one of front and rear portions of the vehicle and a second frame disposed at the other of front and rear portions of the vehicle. The first frame supports a first transaxle apparatus supporting a first axle. The second frame supports a second transaxle apparatus supporting a second axle. Proximal ends of the frames with respect to the vehicle are coupled to each other through a coupling part so that the first and second frames are rotatable relative to each other around a vertical axis according to steering operation. An engine is mounted on the first frame. A first hydraulic motor is integrally assembled in the first transaxle apparatus so as to drive the first axle. A working vehicle is equipped at a distal side of the second frame with respect to the vehicle. A second hydraulic motor is integrally assembled in the second transaxle apparatus so as to drive the second axle. A hydraulic pump is mounted on either the first or second frame, drivingly connected to the engine, and fluidly connected to both the first and second hydraulic motors.

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European Search Report for European Appl. No. EP 03 023896, European Patent Office, Berlin, search completion date of Mar. 16, 2006, 4 pages.
English language abstract for JP 2000-270651, Patent Abstracts of Japan, Japanese Office, 2000.

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