Vehicle steering system

Details Vehicle steering system Vehicle steering system

2005-02-15

2005-02-15

Hurley, Kevin (Department: 3611)

Motor vehicles

Steering by driving

Combined with manual steering

C180S242000, C180S234000

Reexamination Certificate

active

06854539

ABSTRACT:
A land vehicle has four wheels (10) by which the vehicle is driven and steered and the wheels are driven by hydraulic motors (11). In one arrangement the vehicle is steered by at least one pair of steerable wheels and supply of fluid to the motors is arranged to reduce the speed of a wheel or wheels at one side of the vehicle during turning. The vehicle can also be operated in the skid steer mode with the wheels locked in a straight ahead position.

REFERENCES:
patent: 3351147 (1967-11-01), Williamson
patent: 3841423 (1974-10-01), Holtkamp et al.
patent: 3900075 (1975-08-01), Chichester et al.
patent: 5335739 (1994-08-01), Minne et al.
patent: 5570754 (1996-11-01), Stimson
patent: 5823284 (1998-10-01), Hoar et al.
patent: 6230829 (2001-05-01), Martin et al.
patent: 199 18 882 (1999-12-01), None
patent: 2000168381 (2000-06-01), None

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