Patent ID: 11964624
Assignee: AUTOLIV DEVELOPMENT AB
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An automotive front seat overhead airbag, comprising a supporting air chamber and a protective air chamber mounted on a roof, wherein
the supporting air chamber is inflated from the roof towards a dashboard upon inflation, wherein the supporting air chamber comprises a first air chamber and a second air chamber, wherein the first air chamber and the second air chamber are both tubular and extend downward from the roof along a windshield upon inflation, and wherein lower ends of the first air chamber and the second air chamber are configured to abut the dashboard upon inflation
the protective air chamber is in communication with the supporting air chamber, after the supporting air chamber is inflated, the protective air chamber is configured to be inflated from the supporting air chamber towards an occupant, the protective air chamber comprises a third air chamber and a fourth air chamber, wherein the first air chamber and the second air chamber are connected at upper ends thereof and then separate and extend therefrom to respectively connect to outer sides of the third air chamber and the fourth air chamber, wherein inner sides of the third air chamber and the fourth air chamber are in communication with each other,
a first protective space is configured to be reserved between extended sections of the first air chamber and the second air chamber of the supporting air chamber and the protective air chamber on a side configured to face the occupant, sides of the third air chamber and the fourth air chamber are configured to face the occupant, and the first protective space is configured to correspond to a head of the occupant for protecting the head and a neck of the occupant.