Tensioning device for seat belts in vehicles comprises a drive tube having a radial bulge on the end receiving a gas generator and a holder formed as a coupling sleeve which slides over the end of the drive tube and fixes to the bulge

摘要

Tensioning device comprises a drive tube (10) having a radial bulge (12) on the end receiving a gas generator (13) and a holder formed as a coupling sleeve (15) which slides over the end of the drive tube and fixes to the bulge. Preferred Features: The coupling sleeve has two half-shells placed around the drive tube, in which each half-shell has a flange interacting with the bulge in addition to a flange (16) interacting with the gas generator.