Patent ID: 7837016
Filing Date: 2010-11-23
Classification: B60G,F16C

Abstract:
1. A suspension stop device for a suspension strut of a vehicle, the strut being equipped with a coil spring, with the device comprising: a rigid thrust bearing defining a rotation axis of the device and equipped with a lower metal washer rotating with respect to an upper metal washer; a support part made of synthetic material designed to transmit the forces exerted by the spring to the lower washer, the support part comprising an annular support area for the lower washer; and a cover covering the upper washer and delimiting with the support part a housing for the bearing, the cover being equipped with a skirt covering without contact a peripheral area of the support part and delimiting with the peripheral area of the support part an annular labyrinth arranged radially with respect to the exterior of the housing and connecting the housing to the outside, the annular labyrinth successively comprising, from the housing to the outside, an initial annular head loss of radial play P wherein the skirt comprises an upper cylindrical wall delimiting with the peripheral area of the support part the initial head loss, the peripheral area of the support part comprising an annular flange equipped with a radial end edge located opposite the upper cylindrical wall and delimiting with the upper cylindrical wall the initial head loss, wherein the annular flange forms a shoulder interacting with elastic hooks projecting from the skirt of the cover, and wherein the peripheral area of the support part delimits with the skirt an intermediate annular cavity located between the initial head loss and the second head loss into which the hooks project.