Drive for vehicle screw jack - has bore of driven gear produced with inward pointing hardened teeth which bite into surface of nut and form secure fastening when nut is pressed home into gear.

摘要

In a gearing mechanism for a motor vehicle jack having a drive in gear wheel 6, which is non-rotatably connected in a positive and form-locking manner by means of pressing together with material deformation, to a lifting element 10 which converts the rotational movement into a linear lifting movement the driven gear wheel 6 comprises inwardly protruding teeth 22 distributed over a central bore which teeth penetrate into the surface 18 of the component 10 of the lifting element, to connect the parts. <IMAGE>