Adjustable, proportionally steerable auxiliary wheel asemblies f

Details Adjustable, proportionally steerable auxiliary wheel asemblies f Adjustable, proportionally steerable auxiliary wheel asemblies f

1987-02-05

1989-08-15

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

180 2402, 180209, B60G 1126

Patent

active

048568147

ABSTRACT:
A proportional steering arrangement is provided for the auxiliary wheel assembly of a truck or like vehicle. The auxiliary wheel assembly includes a secondary left axle which is raised when not in use and is lowered, in use, so that the auxiliary wheels contact the road. The proportional steering arrangement provides for steering of the auxiliary wheels as a percentage of the steering provided for the steerable front wheels. In one embodiment, a mechanical connection is provided between the front wheel steering assembly and an auxiliary wheel steering assembly. In a further embodiment, master and slave hydraulic steering cylinders, connected by suitable hoses, are mounted on the front and auxiliary axles and a percentage steering adjustment device, preferably in the form of a fulcrum lever on the front axle, is provided.

REFERENCES:
patent: 2698668 (1955-01-01), McKay
patent: 3903979 (1975-09-01), Perrotin
patent: 4373738 (1983-02-01), Lange
patent: 4383696 (1983-05-01), Picard

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