| 摘要 |
The invention relates to a belt retractor (10) for a safety belt, having a belt reel (12) on which a belt (14) can be wound in a spring-loaded manner, and having a tightening device (16), which can have effect on the belt reel (12) in a winding direction (A), wherein a control (18) is provided which can activate the tightening device (16) when the safety belt is unencumbered and not worn. |
