Patent ID: 7221265

Claim:
A system for sensing relative position between a chassis and an axle on a vehicle, which vehicle is provided with a V-rod mounted between the chassis and the axle where a pointed end of the V is connected by a ball joint to the axle of the vehicle and opposite ends of the V-rod are connected to the chassis of the vehicle, which ball joint comprises a partly ball-shaped body permanently fixed to the axle or the V-rod, encircled by a complementarily shaped collar arranged round the whole or parts of the ball-shaped body, which ball joint is covered by a cap or housing, wherein on the ball or in connection with the housing in the ball joint there are mounted a sensor and an identification area which is detected by the sensor respectively, which identification area is provided with information for registering position in at least one direction and that the sensor registers the position of the identification area in at least one direction.