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Side airbag apparatus

A technology of side airbags and airbags, applied in transportation and packaging, pedestrian/passenger safety arrangements, vehicle safety arrangements, etc., can solve problems such as insufficient protection of the occupant's waist area

Inactive Publication Date: 2008-04-09
TOYODA GOSEI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can result in the airbag not adequately protecting the occupant's lumbar region

Method used

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  • Side airbag apparatus
  • Side airbag apparatus
  • Side airbag apparatus

Examples

Experimental program
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Embodiment Construction

[0016] Next, a side airbag device 20 according to an embodiment of the present invention will be described with reference to FIGS. 1A to 7B .

[0017] As shown in FIG. 1A , a seat 10 located in a passenger compartment of a vehicle includes a backrest 11 supporting the back of an occupant P and a seat cushion 12 supporting the buttocks of the occupant P. As shown in FIG. The side airbag device 20 is housed in a side portion of the backrest 11 . The side airbag device 20 has an inflator 21 and an airbag 22 . The inflator 21 generates gas when an impact sensor (not shown) detects that the magnitude of the impact applied to the vehicle side portion 13 (see FIG. 2 ) is not smaller than a predetermined value. Gas generated by the inflator 21 inflates and deploys the airbag 22 between the occupant P seated on the seat 10 and the inner wall side portion 14 (see FIG. 2 ) defining the occupant compartment. This prevents the occupant P from contacting the inner wall side portion 14, th...

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PUM

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Abstract

A side airbag apparatus includes an inflator and an airbag that is inflated and deployed by gas generated by the inflator to protect an occupant seated on a seat. The airbag includes a lumbar region protecting section, which primarily protects the lumbar region of the occupant. Prior to the inflation and deployment, the airbag is accommodated in the backrest in a state where a part including the lumbar region protecting section is folded back in a direction toward the rear of the vehicle. This configuration prevents the inflation of the airbag from being hindered and allows the airbag to properly protect the lumbar region of the occupant.

Description

technical field [0001] The present invention relates to a side airbag device for protecting an occupant seated on a seat in a passenger compartment of a vehicle. Background technique [0002] A known side airbag device is a side airbag device of the type disclosed in Japanese Patent Publication No. 2005-047471. This type of side airbag device has an airbag that is inflated and deployed in an emergency to protect the body parts from the chest to the waist of an occupant seated on the seat. Before being inflated and deployed, the airbag is accommodated in the backrest of the seat in a folded state. Specifically, the upper portion of the airbag includes a chest protection portion mainly for protecting the chest of the occupant, and the lower portion of the airbag includes a lumbar area protection portion mainly for protecting the waist area of ​​the occupant, and the upper portion of the airbag and the lower portion of the airbag are each folded into the airbag. of the middle...

Claims

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Application Information

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IPC IPC(8): B60R21/231B60R21/20B60R21/207B60R21/237
CPCB60R21/207B60R21/237
Inventor 山村大辅
Owner TOYODA GOSEI CO LTD