REVERSIBLE SEAT BELT TENSIONER

摘要

The invention relates to a reversible seat belt tensioner having an electric motor (2), a belt shaft (1) driven by the electric motor (2) in the belt winding direction via a drive gear (10), and a gear shaft (9) transmitting the rotating movement of the electric motor (2) to the drive gear (10), characterized in that the gear shaft (9) is connected to the drive gear (10) and/or to the electric motor (2) via a helical bevel gear.