Airbag cushion with cinch tube for reduced out-of-position...

Details Airbag cushion with cinch tube for reduced out-of-position... Airbag cushion with cinch tube for reduced out-of-position...

B - Operations, Transporting

60

R

B60R 21/16 (2006.01) B60R 21/26 (2006.01)

Patent

CA 2575577

An airbag cushion is disclosed for use in automotive protective systems. The airbag cushion includes a tube that may be restricted to prevent gas venting. A cord is coupled to the tube and to a surface of the cushion. Upon airbag deployment, the cord extends until taut or extends until the cushion encounters an obstruction. If pulled taut, the cord tightens the tube and restricts gas venting. If the cushion encounters an obstruction, the cord remains lax and the tube is able to vent gas.

L'invention porte sur un coussin gonflable destiné être utilisé dans des systèmes de protection pour automobiles. Ce coussin gonflable comprend un tube pouvant avoir un écoulement limité afin d'empêcher les fuites de gaz. Un cordon est couplé au tube et à une surface du coussin. Lors du déploiement du coussin gonflable, le cordon s'étend jusqu'à ce qu'il soit tendu et que le coussin rencontre un obstacle. S'il est tendu, le cordon resserre le tube et limite les fuites de gaz. Si le coussin rencontre un obstacle, le cordon reste souple et le tube peut libérer le gaz.

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