Steering system for automotive vehicle

Details Steering system for automotive vehicle Steering system for automotive vehicle

1985-06-24

1987-01-27

Love, John J.

Motor vehicles

Manually actuated controlling devices

With plural control stations

180140, 180321, B62D 508

Patent

active

046388834

ABSTRACT:
A steering device for an automotive vehicle includes steering wheels one of which is associated with a driver's seat positioned at the front of the vehicle and the other with a seat positioned at the rear of the vehicle and available for manipulating a crane or the like. Power cylinders are provided for hydraulically steering front wheels only or both of front wheels and rear wheels of the vehicle. Hydraulic circuits associated with the power cylinders are controlled such that while the wheels are steered at the driver's seat, they cannot be steered at the craneman's seat. Such control of the hydraulic circuits occurs in response to actuation of a key switch. A four-wheel steering mode for steering the front and rear wheels at the same time is prevened from replacing a two-wheel steering mode for steering front wheels only, unless the vehicle runs at low speeds.

REFERENCES:
patent: 1544775 (1925-07-01), Plocek
patent: 3080987 (1963-03-01), Jacquemond
patent: 3604528 (1971-09-01), Williamson
patent: 3750834 (1973-08-01), Luft
patent: 3814203 (1974-06-01), Gieszl
patent: 4318451 (1982-03-01), Liggett
patent: 4406472 (1983-09-01), Furukawa
patent: 4552239 (1985-11-01), Kanazawa

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