Air bag module including folded air bag

Details Air bag module including folded air bag Air bag module including folded air bag

B - Operations, Transporting

60

R

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

Patent

CA 2140972

An air bag module (10) includes an inflatable air bag (14) and a container (12). The container (12) has a plurality of walls (27, 50, 60, 70) defining a chamber (18) in the container. The air bag (14) is folded and stored in the chamber. The container outer wall (70) includes a door (68) which is moved out of the inflation path of the air bag (14) by the air bag when the air bag inflates. The air bag (14) has a first stack of first folded portions (122) which extend in a direction (130) between the outer and inner walls (70, 27) of the container (12) and generally parallel to the upper and lower walls (50, 60) of the container. The air bag (14) has a second stack of second folded portions (126) which extend in a direction (144) between the upper and lower walls (50, 60) of the container (12) and generally parallel to the door (68) of the container (12). One of the first and second stacks of folded portions (122, 126) of the air bag (14) is disposed in an upper chamber portion (18a), and the other stack of folded portions of the air bag is disposed in the lower chamber portion (18b).

Module de sécurité (10) constitué d'un coussin gonflable (14) et d'un contenant (12) dans lequel ce dernier est inséré. Le contenant (12) est constitué d'un ensemble de parois (27, 50, 60, 70) définissant un logement à l'intérieur duquel le coussin (14) est plié et rangé. La paroi extérieure (70) du contenant est munie d'une porte (68) qui s'ouvre lorsque le coussin (14) est déployé. Le coussin (14) est constitué d'un premier ensemble de plis (122) contenus, selon un sens défini (130), entre les parois externe et interne (70, 27) du contenant (12) et généralement disposés parallèlement aux parois supérieure et inférieure (50, 60) de ce dernier (12). Le coussin (14) est également constitué d'un deuxième ensemble de plis (126) contenus, selon un sens défini, entre les parois supérieure et inférieure (50, 60) du contenant (12) et généralement disposés parallèlement à la porte (68) de ce dernier (12). Un des deux ensembles de plis (122, 126) du coussin (14) est disposé dans la portion supérieure du logment (18a) et l'autre, dans la portion inférieure de ce dernier (18b).

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