Inflatable tubular cushions for seated occupants

Details Inflatable tubular cushions for seated occupants Inflatable tubular cushions for seated occupants

B - Operations, Transporting

60

R

B60R 21/16 (2006.01) B60R 21/00 (2006.01) B60R 21/20 (2006.01)

Patent

CA 2193371

The present invention is a torso protection system having braided tubes (131) that inflate upon side or oblique impact to protect the torso of a seated vehicle occupant. Prior to inflation, the braided tubes (131) are mounted in the undeployed state along both sides of the occupant's seat (136, 137). When an impact is detected, a gas generator (133) generates gas, inflating the braided tubes (131). As the braided tubes inflate, their diameters increase and their lengths decrease substantially. The braided tubes (131) then pull out of their storage locations and from bolsters on either side of the seated occupant. The inflated tubes (131) prevent the torso of the occupant from directly colliding with interior side structures of the vehicle and restrict the lateral motion of the occupant.

L'invention concerne un système de protection du torse doté de tubes tressés (131) qui se gonflent sous l'effet d'un choc latéral ou oblique pour protéger le torse d'un passager assis dans un véhicule. Avant qu'ils ne se gonflent, les tubes tressés (131) sont montés à l'état non déployé le long des deux côtés du siège du passager (136, 137). Lorsqu'un choc est détecté, un générateur de gaz (133) génère du gaz, gonflant ainsi les tubes tressés (131). A mesure que les tubes se gonflent, leur diamètre augmente et leur longueur diminue sensiblement. Les tubes tressés (131) sortent alors de leur logement et des garnitures de chaque côté du passager. Les tubes gonflés (131) empêchent le torse de l'occupant de heurter directement les structures latérales intérieures du véhicule et restreignent le déplacement latéral du passager.

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