Patent ID: 9126558
Filing Date: 2015-09-08
Classification: B60R

Abstract:
1. A head-protecting airbag device having an airbag that is mountable on an upper edge of a window of a vehicle on an inboard side of a vehicle in a folded-up configuration with an upper edge of the airbag secured to a vehicle body structure, the airbag being deployable downward over the window when fed with an inflation gas from an inflator, the airbag comprising: an inflatable curtain portion that is deployable over an inboard side of the window; and an overlap inflatable portion that is in gas communication with the inflatable curtain portion and is deployable on an inboard side or on an outboard side of the inflatable curtain portion in an inflated state in such a manner as to overlap with an inflated region of the inflatable curtain portion, the overlap inflatable portion being so configured as to complete inflation after the inflatable curtain portion has completed inflation, the overlap inflatable portion being inflatable into a generally rod shape extending at a slant relative to an up and down direction, and a first end of the overlap inflatable portion being in gas communication with the inflatable curtain portion at a vicinity of an upper edge or a lower edge of the inflatable curtain portion as inflated whereas a second end of the overlap inflatable portion being jointed to an opposite edge of the inflatable curtain portion in an up and down direction away from the first end, wherein: the airbag includes an inboard side wall deployable on the inboard side of the inflatable curtain portion, and an outboard side deployable on the outboard side of the inflatable curtain portion, in the inflated state, the inflatable curtain portion includes the inboard side wall and the outboard side wall, the overlap inflatable portion includes the inboard side wall and the outboard side wall, at airbag deployment, the inboard side wall or the outboard side wall of the inflatable curtain portion, and the inboard side wall or the outboard side watt of the overlap inflatable portion, are arranged in such a manner as to be overlapped.