Patent ID: 7780191
Filing Date: 2010-08-24
Classification: B60R

Abstract:
1. A side airbag apparatus, which reduces impact from a side of a vehicle to protect an occupant, the apparatus comprising: an inflator, which discharges gas; an airbag, which is inflated and deployed between a body side portion of the vehicle and the occupant by gas discharged from the inflator in response to impact from the side of the vehicle; a pair of chambers formed by partitioning an internal space of the airbag, wherein one of the pair of chambers is deployed and inflated with higher internal pressure than the other one; a communication portion provided in the airbag, wherein the pair of chambers communicate with each other via the communication portion; and an auxiliary inflation section, which is part of the airbag and is inflated around the communication portion by the gas, wherein the auxiliary inflation section is wound around the communication portion.