Land vehicles – Wheeled – Running gear
Patent
1986-03-31
1988-01-26
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
180140, B62D 714
Patent
active
047213183
ABSTRACT:
An improved steering system for a small-sized light-weight wheeled vehicle, such as an all-terrain vehicle being equipped with balloon tires, which comprises independent steering mechanisms adapted respectively to the steering operation of the front and rear wheels of the vehicle. This steering system comprises a single or a plurality of steering arms mounted integrally on a steering shaft, a pair of tie rods for the front wheels and a linkage rod for the rear wheels being connected pivotally to the steering arm or arms, linkage lever sleeves mounted rotatably about a linkage shaft provided on a frame structure of the vehicle, the linkage lever sleeve having a linkage arm secured respectively at its opposite inboard and outboard ends with respect to a frame structure of the vehicle, the linkage rod being connected pivotally to the linkage arm on the inboard end of the linkage lever sleeves, and a pair of tie rods extending rearwardly and in a generally parallel relationship with each other for connecting pivotally a pair of rear wheels and being connected pivotally to the linkage arm on the outerboard ends of the linkage lever sleeves, the linkage arm being disposed with a substantial distance therebetween on the inboard and outboard ends of the linkage lever sleeve so as to define a substantial spacing for accommodating an engine between the tie rods for the pair of rear wheels extending on the outboard of the frame structure. Also, a switching means is provided for shifting the steering system between an engagement state and a disengagement state of the steering shaft with the rear wheel steering mechanism, so as to allow the switching between a four-wheel steering position and a front wheel steering position.
REFERENCES:
patent: 2812191 (1957-11-01), Kersey, Jr. et al.
patent: 3255840 (1966-06-01), Tangen
patent: 3596730 (1971-08-01), Cecce
patent: 3913936 (1975-10-01), Thomas
patent: 3977693 (1976-08-01), Gamaunt
patent: 4105086 (1978-08-01), Ishii et al.
patent: 4592561 (1986-06-01), Furukawa
Hase Makoto
Kaneko Akihiko
Bertsch Richard A.
Suzuki Motor Company Limited
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