Patent ID: 7340974
Filing Date: 2008-03-11
Classification: B60N,Y10T

Abstract:
1. A spindle gear for an adjusting device in a motor vehicle seat, said spindle gear comprising a spindle having a longitudinally extending thread, a housing, a spindle nut, which is arranged within the housing, is rotatable within the housing, has an internal thread matching the thread of the spindle and comprises external teeth, and a worm wheel that is arranged within the housing, is rotatable within the housing and comprises of a worm that meshes with the external teeth of the spindle nut, wherein the spindle nut comprises at least one external bearing surface that is axially offset relative to the external teeth, a stop disk is provided that is attached to said external bearing surface to surround it, and the stop disk has a projection which engages into a corresponding recess of the spindle nut and forms an antirotation lock, wherein the projection engages between two neighboring teeth of the external teeth of the spindle nut.