Patent ID: 7988187
Filing Date: 2011-08-02
Classification: B60R

Abstract:
1. A head-protecting airbag apparatus adapted to be mounted on an upper periphery of a window of a vehicle, the airbag apparatus comprising: an airbag secured to vehicle body structure by an upper edge thereof in a folded-up stored condition and on the upper periphery of the window for deployment on the inboard side of the window, the airbag having such a length in a vertical direction that the lower end region thereof is located on the beltline of a door of the vehicle upon deployment, the airbag comprising: a plurality of vertical cells disposed side by side along an anteroposterior direction of the vehicle and each of which cells being inflatable into a rod-like shape extending generally vertically; and a reinforcing portion located either on the inboard side or on the outboard side of at least two adjoining vertical cells out of the vertical cells at the lower end region of the airbag, the reinforcing portion being in gas communication with the adjoining vertical cells and inflatable into a horizontal rod-like shape extending across the adjoining vertical cells, wherein the airbag is formed by folding back an airbag material in which the reinforcing portion is arranged below the adjoining vertical cells on a fold line extending along the boundary of the vertical cells and the reinforcing portion and coupling overlapped portions partially; and each of the adjoining vertical cells includes at the lower end a communication port that allows gas communication with the reinforcing portion.