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US 9,751,496 B2Granted
Seat belt tensioner for a vehicle passenger restraint system
AssigneeTRW Automotive GmbH
InventorsSimon Schreiber, Thomas Moedinger, Alex Waidmann, Karl-Heinz Köeppel, Markus Peters
Life of this patent
Estimating the term…
Abstract
A belt tensioner (10) for a vehicle occupant restraint system comprises a tube (12) containing gas in the trigger case and an igniter unit (14) arranged in the tube (12) which igniter unit is inserted in an open end face (16) of the tube (12) and includes a base (18) and a cap (20) fastened to the base (18) for accommodating a propelling charge, wherein the cap (20) is arranged at least pertly inside the tube. The igniter unit (14) is welded to the tube (12).
Claims11
A belt tensioner for a vehicle occupant restraint system, comprising:
- an igniter unit including an at least partly plastic base and a cap fastened to the base, the can accommodating a propelling charge for producing a pressurized gas;
- a metal ring embedded in a plastic part of the base;
- and
- a tube for forwarding the pressurized gas produced by the propelling charge, the ring being welded to the tube to secure the igniter unit to the tube.
1 more element
Dependencies are inferred from the claim text.