System for modification of the steering ratio for a vehicle with a telescopic arm, and corresponding vehicle

Abstract

The invention provides a modification system for modifying the steering ratio for a vehicle having a tiltable telescopic boom arm (6), the vehicle having steered wheels (11), a steering wheel, and a steering transmission device serving to transmit steering movement between the steering wheel and the steered wheels (11) with a steering ratio R=Alpha/Beta, where Beta is the steering angle of the wheels, and Alpha is the turning angle of the steering wheel. The system includes a sensor configured to determine a parameter relating to the telescopic arm, e.g. an angle sensor for sensing the angle (Af) formed between the telescopic arm and the bearing plane of the wheels of the vehicle on the ground, and/or a sensor for sensing the length (L6) of the telescopic arm, and a control module for controlling the steering ratio that is configured to modify the steering ratio R as a function of said parameter relating to the telescopic arm. The invention also provides a wheeled vehicle fitted with such a steering ratio modification system.

Dependencies are inferred from the claim text.