Vorrichtung zur elektrischen Längsverstellung von Kraftfahrzeugsitzen

摘要

An electrical longitudinal motor vehicle seat adjustment device comprising at least one upper rail (10) which is mounted on the frame of the seat and movably guided in such a way that it can slide in relation to at least one lower rail (12) which is firmly attached to part of the bodywork of the motor vehicle. The inventive device is also provided with at least one shaft (20) which is driven by an electric motor (42) and which is connected to at least one upper rail (10). According to the invention, the at least one shaft (20) is rotationally and operationally fixed to eccentrics (22) which can be brought into contact with the lower rail (12).