An adjustment mechanism for a slide of a motor vehicle seat, the adjustment mechanism comprising a worm screw, a first nut and a second nut rotatably receiving the worm screw, a support, and two resilient buffers received respectively between the first nut and the support, and between the second nut...http://www.google.es/patents/US6971620?utm_source=gb-gplus-sharePatente US6971620 - Adjustment mechanism for a vehicle seat slide
