Cover having a ball screw drive having a double nut - bias structure

摘要

The present invention relates to a lid having a ball screw drive having a double nut - bias structure, comprising: a spindle (5); two nuts (6), which for the spindle (5) in each case a through hole (61); four cover (4), which on the two end faces (62) of the two nuts (6) are attached; and two prestressing elements (1), each of which a mounting hole (11) for the spindle (5) and in the axial direction (x) in each case two end faces, wherein an end face of a plurality of pins (12) has, wherein the other end face a plane surface (14), wherein the plane surfaces (14) of the two prestressing elements (1) abut one another, whereby the pins (12) with the end surfaces (61) of the nuts (6) are in contact.