A motorized drive device for a vehicle seat having a squab in particular with raising, the device comprising an actuator and an actuator housing containing a reduction gear, an output member, mounted to rotate about an axis, the output member comprising a peripheral rim, a friction ring mounted around the output member and rotationally integral with the output member, the friction ring comprising a skirt, the actuator housing comprising an inner bearing optionally provided with a plurality of inner radial protrusions for receiving the skirt, the skirt coming into contact at least against the inner bearing in order to generate a continuous friction between the output member forming a rotating part and the inner bearing forming a fixed part.