- Patent Title: Side airbag device and method for manufacturing side airbag device
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Application No.: US17595480Application Date: 2020-03-24
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Publication No.: US11752965B2Publication Date: 2023-09-12
- Inventor: Yuto Kobayashi , Hiroyuki Shima
- Applicant: Autoliv Development AB
- Applicant Address: SE Vargarda
- Assignee: Autoliv Development AB
- Current Assignee: Autoliv Development AB
- Current Assignee Address: SE Vargarda
- Agency: Harness, Dickey & Pierce, P.L.C.
- Agent Stephen T. Olson
- Priority: JP 19102145 2019.05.31 JP 20021736 2020.02.12
- International Application: PCT/JP2020/013166 2020.03.24
- International Announcement: WO2020/241020A 2020.12.03
- Date entered country: 2021-11-17
- Main IPC: B60R21/207
- IPC: B60R21/207 ; B60N2/58 ; B60R21/237

Abstract:
A side airbag device that is stowed inside a vehicle seat and protects an occupant seated in the seat, including an airbag that restrains the occupant by expanding and deploying, and an inflator that supplies expansion gas to the airbag. The airbag includes a pre-push chamber that contains the inflator inside and deploys mainly on the occupant side (inside), and a main chamber that is connected to the pre-push chamber and deploys mainly toward the front of the vehicle. When the airbag is in the stowed state, the pre-push chamber forms the first folded part and the main chamber forms the second folded part. At the portion where the first folded part and the second folded part overlap, a sewn part joins the first folded part and at least a portion of the pre-chamber, and the sewn part is configured to break during deployment of the airbag.
Public/Granted literature
- US20220227326A1 SIDE AIRBAG DEVICE AND METHOD FOR MANUFACTURING SIDE AIRBAG DEVICE Public/Granted day:2022-07-21
Information query
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