BELT TENSIONER FOR A SAFETY BELT SYSTEM

摘要

The invention relates to a belt tensioner (10) for a safety belt system, comprising a belt shaft housing (18) and a belt shaft (12) that is rotatably mounted in the belt shaft housing (18) about an axis (A). According to the invention, the belt shaft (12) is retained in a rotationally fixed manner relative to the belt shaft housing (18) in at least one rotational direction prior to an activation of the belt tensioner (10).