Patent ID: 6820893
Filing Date: 2004-11-23
Classification: B60R

Abstract:
A head protection air bag device having an air bag which is stored, while being folded, along an upper fringe of an opening on a cabin-inside or indoor side of a vehicle, when receiving inflation gas, said air bag developing and inflating to cover an opening,wherein said air bag includes a gas-inflow section which inflates so as to separate a cabin-inside side wall and a cabin-outside side wall one from the other, a non gas-inflow section which rejects inflation gas and a periphery part surrounding said non gas-inflow section, said gas-inflow section includes a plurality of inflatable protective shielding parts being disposed such that said inflatable protective shielding parts are longitudinally spaced from one another and cover said opening, and inflation communicating parts, each of said inflatable protective shielding parts includes a plurality of inflating parts which are arranged in a longitudinal direction and are vertically expandable so as to generate a tension in the longitudinal direction, a plate-like portion disposed between said inflatable protective shielding parts, and partitioning parts being vertically disposed and defining said inflating parts in said inflatable protective shielding parts, said inflation communicating parts are disposed in and along a lower fringe side of said air bag under said plate-like portion, said inflatable protective shielding parts, which are adjacently located with said plate-like portion being interposed therebetween, are communicated with each other by said inflation communicating parts, and the lower ends of said inflating parts are closed at peripheral lower-edge sides thereof.