| US 7,584,993 B2 | ||
| Airbag device | ||
| Naoki Yamaji, Osaka (Japan); and Hidetaka Azuma, Kyoto (Japan) | ||
| Assigned to Ashimori Industry Co., Ltd., Osaka (Japan) | ||
| Filed on Jun. 12, 2008, as Appl. No. 12/137,949. | ||
| Application 12/137949 is a division of application No. 10/562432, filed on Dec. 28, 2005, granted, now 7,441,802. | ||
| Prior Publication US 2008/0246259 A1, Oct. 09, 2008 | ||
| Int. Cl. B60R 21/26 (2006.01) | ||
| U.S. Cl. 280—736 | 5 Claims |
| 1. An airbag device comprising an inflator for generating gas and an airbag expandable by the gas, wherein said airbag includes
an attachment side base cloth attached to an opposed side base cloth, said airbag device is provided with
a gas inflow port provided in the airbag through which the gas flows in,
a vent hole provided in the airbag for discharging the gas flown in the airbag,
a cloth-like piece connected to a vicinity of the vent hole at one end thereof with a sewn portion, and to a vicinity of the
gas inflow port at the other end thereof releasably,
wherein said cloth-like piece does not close the vent hole in a state where the other end is retained, and closes the vent
hole due to an internal pressure of the airbag in a state where the other end is released,
an arc-like pocket defined between the sewn portion and the vent hole functioning as a gas reservoir for interrupting a flow
of gas directed from the gas inflow port toward the opposed side base cloth to guide the interrupted gas into the vent hole,
a retaining device for retaining the other end of the cloth-like piece, and
releasing means for releasing retention of the retaining device.
|