Patent ID: 7708335

Claim:
An air-guiding device of a vehicle comprising a spoiler which is fastened to a spoiler base, as well as an adjusting device for adjusting the spoiler base between an inoperative position in which the spoiler is substantially within the vehicle contour, and at least one first operating position in which the spoiler is deployed beyond the vehicle contour to provide a down force effect during the journey, where the adjusting device comprises: a first pivoting link whose first end is fastened to the body of the vehicle in a way which is allows the pivoting of the first pivoting link about a first pivoting axis, which extends in a direction transverse with respect to the vehicle, and whose second end is hinged in a front region of the spoiler base; a second pivoting link whose first end is fastened to the body of the vehicle behind the first end of the first pivoting link in a way which allows the pivoting of the second pivoting link about a second pivoting axis which extends in a direction transverse with respect to the vehicle, and whose second end is hinged in a back region of the spoiler base, where the first pivoting link is shorter than the second pivoting link; controllable driving means for pivoting the two pivoting links about the spoiler base between the inoperative position and the first operating position; characterized in that the adjusting device is designed in a way which allows the overstretching of the joint between the front region of the spoiler base and the second end of the first pivoting link during the deployment of the spoiler in a second operating position wherein, in the second operating position, the deployment angle of the spoiler is in the range from 50° to 90°, whereby a vehicle braking effect is achieved.