| 摘要 |
The invention relates to an adjustment device (6), in particular for adjusting motor vehicle seats, comprising: a) a rotatably mounted drive element (11); b) a rotatably mounted output element (10); c) a first sprag freewheel, by means of which the output element (10) can be blocked steplessly in different positions in both adjustment directions, and which can be released via a release element; d) a second sprag freewheel, which is coupled to the first sprag freewheel via the release element and by means of which the output element (10) can be blocked steplessly in different positions in both adjustment directions; e) an actuating element for releasing the second sprag freewheel; and f) an additional locking means (20) for securing the first sprag freewheel against rotation with at least one rotatably mounted locking lever (25). |
