Motor vehicle seat adjuster has electric drive motor, several drive shafts for control drive arrangements selectively driven via different series planetary gearboxes with common wheel bearer

摘要

The adjuster has an electric drive motor (10 and several drive shafts (3,3',3'') for control drive arrangements selectively driven via different planetary gearboxes (2,2',2'') arranged in series. The gearboxes each have a commonly driven planetary wheel bearer and at least one dual planetary wheel adjacent tooth regions of different dia. and tooth numbers with teeth regions engaged with first and second change wheels mounted on a common axle with the planetary wheel bearer and drive motor. Peripheral latching elements are designed for engagement with locking elements for stopping one or other change wheel.