公开(公告)号：US12269409B2

公开(公告)日：2025-04-08

申请号：US18577084

申请日：2022-06-16

Applicant: Autoliv Development AB

Inventor： Ryota Ishigaki ,  Yutaka Nakajima ,  Yuka Miura ,  Ryo Takebayashi ,  Masaru Habu

IPC: B60R21/207 ,  B60R21/233 ,  B60R21/2338

Abstract: Problem
To provide a revolutionary airbag device that can protect an occupant's head from one side, to the front, to the other side.
Resolution Means
The present invention is an airbag device stored in a vehicle seat, the airbag device including: an inflator for generating expansion gas; and an airbag for deploying from near an upper end of the vehicle seat to protect the periphery of the head of an occupant. Furthermore, the airbag includes: a first chamber for protecting one side of an occupant; a second chamber connected to the first chamber and for protecting the front of the occupant's head; a third chamber connected to the second chamber and for deploying from the front of the occupant's head across to the other side of the occupant; and a fourth chamber connected to the third chamber and for deploying at the other side of the occupant.