BELT WIND-ON DEVICE FOR VEHICLE SAFETY-BELT SYSTEM FOR VEHICLE SAFETY BELT SYSTEM

摘要

The present invention includes a ratchet (34) that is movable between a lock position for the belt reel (14) and an operating position for engaging the drive pinion (16) and an inoperative position deviating from engagement with the drive pinion A belt retractor for a seat belt system for a vehicle having a rotating belt tension drive device (20) connected to a drive pinion (16) for a belt reel (14) by a coupling for transmission of a drive force will be. It is an object of the present invention to compensate that the drive connection through the coupling is reliably stopped when the tension by the belt tension drive is completed. This is accomplished by the fact that the coupling ratchet 34 moves all the way from the non-operative position of the ratchet to the operative position and also from the operative position to the operative position by moving against the control surfaces rotating relative to the ratchet do.