Patent ID: 7793753

Claim:
A steering system arranged as one of a power-assisted steering system and a power steering system, comprising: a worm gear mechanism including a composite gear wheel arranged as a worm wheel and engages a worm, the worm wheel including a ring gear connectible to a hub by a first disk, an annular projection of the first disk axially engaging with the ring gear, the annular projection including a depression in an axial direction, one of (a) the projection engaging in a form-locked manner with a depression on an axial side face of the ring gear and (b) an axial projection on the axial side face of the ring gear engaging with the depression of the first disk; and an electric motor arranged to drive the worm gear mechanism; wherein a second disk is arranged on a side opposite the first disk in the axial direction of the ring gear; wherein the second disk engages in a form-locked manner with an annular projection of a second axial side face of the ring gear; and wherein at least one of (a) a number and (b) a shape of depressions on the second disk are approximately the same as on the first disk.