Inflatable passenger-size adjustable torso belt system...

B - Operations – Transporting – 60 – R

Patent

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Details

B60R 21/18 (2006.01) B60R 22/26 (2006.01) B60R 21/20 (2006.01) B60R 22/02 (2006.01) B60R 22/18 (2006.01)

Patent

CA 2283221

A vehicle passenger restraint system in which a belt band (16) includes a lap belt portion (20) which may or may not be inflatable and an inflatable torso belt portion (19). The torso belt portion (19) is partially mounted in an enclosure (32) which prevents substantial inflation with the remainder of the torso belt portion positioned to protect the passenger. When a large passenger buckles-up more torso belt is withdrawn from the enclosure. Upon activation of the inflator (54) with a larger passenger buckled-up, gases are supplied to the torso belt portion in the enclosure with less gas remaining in the enclosure and more gas being supplied to the torso belt portion outside the enclosure which portion protects the larger passenger. When a small passenger buckles-up, less gas is supplied the torso belt portion outside the enclosure.

L'invention concerne un système de retenue de passager de véhicule dans lequel une bande de ceinture (16) comprend une partie de ceinture sous-abdominale (20) gonflable ou non, et une partie de ceinture de torse (19) gonflable. La partie de ceinture de torse (19) est montée en partie dans une enveloppe (32) qui empêche un gonflement important, le reste de la partie de ceinture de torse étant disposé de manière à protéger le passager. Lorsqu'un passager corpulent boucle la ceinture, une grande partie de la ceinture de torse est libérée de l'enveloppe. Lorsque le dispositif de gonflement (54) est activé, quand un passager corpulent boucle la ceinture, des gaz sont envoyés dans la partie de ceinture de torse se trouvant dans l'enveloppe, moins de gaz restant dans l'enveloppe, et plus de gaz étant envoyé à la partie de ceinture de torse se trouvant hors de l'enveloppe et qui protège le passager corpulent. Lorsqu'un passager mince boucle la ceinture, moins de gaz est envoyé à la partie de ceinture de torse se trouvant hors de l'enveloppe.

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