Patent ID: 7267362

Claim:
An airbag apparatus for being mounted to a motorbike, the airbag apparatus comprising: an airbag for being deployed in a motorbike collision and having an internal space that is inflated as the airbag is deployed; an inflator for supplying inflation gas into the airbag internal space; a bag-shaped member in the airbag internal space with the bag-shaped member defining an internal space that is generally isolated from the airbag internal space so that prior to substantially full inflation of the airbag internal space the bag-shaped member therein is fully inflated receiving inflation gas from the inflator in a generally upward direction therein to provide sequential inflation of the bag-shaped member space and the airbag space; forward, upper and rear wall portions of the airbag that face in corresponding forward, upper and rearward directions upon airbag inflation; forward, upper and rear wall portions of the bag-shaped member corresponding to the forward, upper and rear wall portions of the airbag and spaced therefrom with the airbag inflated; and a single discharge port of the bag-shaped member in the forward wall portion thereof with the upper and rear wall portions thereof lack discharge ports such that directional inflation of the airbag substantially occurs sequentially with gas from the inflator flowing through the interior space of the bag-shaped member and out from the single discharge port into the airbag interior space in the forward direction to space the airbag forward wall portion from the bag-shaped member forward wall portion, then upwardly to space the airbag upper wall portion from the bag-shaped member upper wall portion, and finally rearwardly to space the airbag rear wall portion from the bag-shaped member rear wall portion.