Side airbag device

Patent metadata

Field	Value
Publication number	US-11440499-B2
Application number	US-202117211929-A
Country	US
Kind code	B2
Filing date	Mar 25, 2021
Priority date	Mar 30, 2020
Publication date	Sep 13, 2022
Grant date	Sep 13, 2022

Abstract

A side airbag device includes an inflator; and a bag-shaped airbag inflatable and deployable in response to a gas upon activation of the inflator. The airbag includes a torso protection portion inflatable and deployable in a space beside a torso of the occupant, a support portion provided on a console box side of the torso protection portion and configured to be pushed onto a top surface of the console box in an inflated and deployed state, and a hip protection portion inflatable and deployable between a hip of the occupant and a lateral portion of the console box. The support portion and the hip protection portion are defined by a continuous chamber. The inflator is positioned from above to below the support portion in a side view of the vehicle. The airbag is mounted on a lateral portion of the vehicle seat via the inflator.

First claim

What is claimed is:

1. A side airbag device comprising:
an inflator configured to generate a gas; and
a bag-shaped airbag inflatable and deployable in a space above a console box and beside an inner side in a vehicle width direction relative to a vehicle seat in response to the gas upon activation of the inflator, the console box provided on an inner side in a vehicle width direction relative to the vehicle seat,
the airbag including a torso protection portion, a support portion provided on a console box side of the torso protection portion and configured to be pushed onto a top surface of the console box in an inflated and deployed state, and a hip protection portion inflatable and deployable close by a lateral portion of the console box,
the support portion and the hip protection portion being defined by a continuous chamber,
the inflator being positioned from above to below the support portion in a side view of the vehicle,
the airbag being mounted on a lateral portion of the vehicle seat via the inflator, and
the airbag further comprising a middle base fabric piece that is on a front side in the vehicle and has a shape extending along the top surface and side surface of the console box in a front-rear view of the vehicle.

2. The side airbag device according to claim 1 ,
wherein in an inflated and deployed state, the support portion and the hip protection portion extend along the top surface and side surface of the console box, respectively, in a front-rear view of the vehicle, and a portion of the support portion and a portion of the hip protection portion respectively opposing the top surface and side surface of the console box are defined by a continuous single base fabric piece.

3. The side airbag device according to claim 1 ,
wherein in an inflated and deployed state, the support portion is pushed onto half or more of the top surface of the console box in a front-rear view of the vehicle.

4. The side airbag device according to claim 3 ,
wherein in an inflated and deployed state, the support portion is pushed onto an entire top surface of the console box in a front-rear view of the vehicle.

5. The side airbag device according to claim 1 ,
wherein the torso protection portion, the support portion, and the hip protection portion are defined by a continuous chamber, and
in an inflated and deployed state, there is no depression on a portion between an upper end of the torso protection portion and an end on the inner side in the vehicle width direction of the support portion in a front-rear view of the vehicle.

6. The side airbag device according to claim 1 ,
wherein the airbag further includes a head protection portion provided on an upper side of the torso protection portion.

7. The side airbag device according to claim 1 ,
wherein an area of contact between the support portion in an inflated and deployed state and the top surface of the console box decreases toward a rear side of the vehicle.

Assignees

• Mazda Motor
• Ashimori Ind Co Ltd

Inventors

• Shibahara Taei
• Takebayashi Toshihiro
• Sugimura Yuichi
• Hirata Motoharu
• Azuma Hidetaka
• Minami Yuta
• Okagami Yoshitaka
• Hashimoto Kazuya

Classifications

• B60R2021/0044

  Chest · CPC title

• B60R2021/23146

  seat mounted · CPC title

• B60R2021/0006

  Lateral collision · CPC title

• B60R21/23138 Primary

  specially adapted for side protection (B60R21/23184, B60R21/232 take precedence) · CPC title

• B60R2021/0055

  Pelvis · CPC title