Patent ID: 8069942

Claim:
An articulated vehicle ( 1 ) comprising: a front element and a rear element which are pivotable about a steering linkage disposed between them, a distribution box which supplies power from an engine to a forward wheelshaft of the front element via a first shaft and to a rear wheelshaft of the rear element via a second shaft, characterised in that a differential is disposed between the first shaft and the second shaft, a detection means detects a steering angle v formed between the front element and the rear element, the detection means detects whether the steering angle v is greater than a predetermined steering angle v 1 , a brake is disposed relative to said differential in order to lock, or brake, the differential when the steering angle v is smaller than said predetermined steering angle v 1 , wherein the detection means takes the form of an operating arm of a valve, which operating arm is provided with a guide roller which bears upon an outer contour of a spindle of the steering linkage.