Back to results
US 6,318,663 B1Granted
Belt reel for a belt retractor of a vehicle occupant restraint system
AssigneeTRW Occupant Restraint Systems GmbH & Co. KG
InventorFranz Wier
Life of this patent
Estimating the term…
Abstract
A belt reel for a belt retractor of a vehicle occupant restraint system comprises a cylindrical spool adapted for accommodation of a belt webbing and at least a first collar arranged at a first axial end of the spool. The spool consists of at least one sheet-metal sleeve, and the collar is formed by a sheet-metal disk.
Claims5
Apparatus comprising:
- seat belt webbing;
- a seat belt reel on which said seat belt webbing may be wound;
- said seat belt reel comprising a cylindrical spool portion having a cylindrical outer surface on which said seat belt webbing may be wound, said seat belt reel further comprising a circular collar portion for guiding said seat belt webbing onto said spool portion;
- said spool portion comprising a non-widened portion of a sheet metal tube and said collar portion comprising a widened portion of said sheet metal tube, said collar portion being located on a first axial end of said spool portion;
- a passage extending axially through said spool portion and said collar portion, said passage being defined by an inner surface of said sheet metal tube;
- said collar portion being coaxial with said spool portion and having an outer diameter that is greater than an outer diameter of said spool portion;
- and
- said collar portion and said spool portion being a one-piece sheet metal part.
5 more elements
Dependencies are inferred from the claim text.