| US 7,581,752 B2 | ||
| Airbag apparatus | ||
| Takeshi Kai, Saitama (Japan); Takashi Nakamura, Saitama (Japan); Takashi Aoki, Saitama (Japan); Kazuhiro Onda, Saitama (Japan); and Rei Sakamoto, Saitama (Japan) | ||
| Assigned to Honda Motor Co., Ltd., Tokyo (Japan) | ||
| Filed on Jan. 31, 2007, as Appl. No. 11/700,804. | ||
| Claims priority of application No. 2006-030240 (JP), filed on Feb. 07, 2006. | ||
| Prior Publication US 2007/0182135 A1, Aug. 09, 2007 | ||
| Int. Cl. B60R 21/207 (2006.01); B60R 21/20 (2006.01) | ||
| U.S. Cl. 280—730.2 [280/729] | 7 Claims |
| 1. An airbag apparatus for attachment to a vehicle seat including a seat cushion for supporting a vehicle occupant thereon,
and a seat back operatively attached to the seat cushion, said airbag apparatus comprising:
an airbag having a first expansion chamber provided at a first region thereof, a second expansion chamber provided at a second
region thereof, and a primary dividing wall separating the first and second expansion chambers; said airbag having a deployed
configuration in which an upper portion thereof overlaps part of the seat back, and a lower portion thereof overlaps part
of the seat cushion as seen from a side view thereof; and
a gas supplying part for supplying gas to the first and second expansion chambers to cause the expansion chambers to expand;
wherein the second expansion chamber comprises a balancing expansion chamber which is configured and arranged to help stabilize
the airbag during expansion thereof;
wherein the primary dividing wall is made sufficiently strong to remain in place during deployment of the airbag; and
wherein the second expansion chamber is disposed at a lower part of the airbag, the gas supplying part is disposed on a side
part of the airbag, and the balancing expansion chamber is positioned at a side of the airbag and provided at a lower part
of the second expansion chamber.
|