AIRBAG DEVICE

• US 20120161424A1
• Filed: 10/08/2010
• Published: 06/28/2012
• Est. Priority Date: 10/30/2009
• Status: Active Grant

• Current Assignee: Ashimori Industry Company Limited
• Original Assignee: Ashimori Industry Company Limited
• Inventors: Yamaji, Naoki
• Granted Patent: US 8,419,048 B2
• Time in Patent Office: Days
• US Class Current: 280/728.3
• CPC Class Codes: B60R 21/201 Packaging straps or envelopes for inflatable members
• CPC Class Codes: B60R 21/205 in dashboards
• CPC Class Codes: B60R 21/217 Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together

Abstract

An airbag device installed into an instrument panel including a lid portion configured to be torn and a lid-side peripheral wall portion provided to stand on an outer periphery of the lid portion. The airbag device includes: an inflator; an airbag so as to be inflated and deployed in a bag shape by the gas introduced from the inflator; and an outer bag formed of a sheet-like member to be sewn into a three-dimensional shape having an outer-bag-side bottom and an outer-bag-side peripheral wall portion provided on an outer periphery of the outer-bag-side bottom, the outer-bag-side bottom being secured to the inflator, the outer-bag-side peripheral wall portion surrounding the folded airbag and being disposed so as to be sandwiched between the airbag being inflated and deployed and the lid-side peripheral wall portion.

Claims

1. An airbag device installed into an airbag-installation panel including a lid portion configured to be torn and a lid-side peripheral wall portion provided to stand on an outer periphery of said lid portion, said airbag device comprising:

an inflator disposed inside said lid portion and configured to generate gas;

an airbag folded so as to be disposed between said lid portion and said inflator and configured to be inflated and deployed in a bag shape by the gas introduced from said inflator; and

an outer bag formed of a sheet-like member to be sewn into a three-dimensional shape including an outer-bag-side bottom and an outer-bag-side peripheral wall portion provided on an outer periphery of said outer-bag-side bottom, said outer-bag-side bottom being secured to said inflator, said outer-bag-side peripheral wall portion surrounding said folded airbag and being disposed so as to be sandwiched between said airbag being inflated and deployed and said lid-side peripheral wall portion.

2. The airbag device according to claim 1, wherein an extending portion is disposed at a distal end of said outer-bag-side peripheral wall portion, said extending portion being configured to be sandwiched between said airbag being inflated and deployed and an exterior surface of said airbag-installation panel located on the outer periphery side of said lid portion.

3. The airbag device according to claim 1, further comprising an inflator securing member including a reaction plate to which said inflator is secured and a securing bracket configured to be secured to a vehicle-body-side member,

wherein said inflator is secured to a fixed location inside of said lid portion upon securing of said securing bracket to said vehicle-body-side member.

4. The airbag device according to claim 1, further comprising a belt portion connected to said inflator and said lid-side peripheral wall portion and holding said inflator at a fixed location inside of said lid portion.

5. The airbag device according to claim 4, wherein one end of said belt portion is connected to said inflator, and the other end of said belt portion is caused to pass through a mounting hole formed in said lid-side peripheral wall portion to be connected to said outer-bag-side peripheral wall portion.

6. The airbag device according to claim 4, wherein a middle portion of said belt portion in a longitudinal direction is caused to pass through a mounting hole formed in said lid-side peripheral wall portion, and both ends of said belt portion are connected to said inflator.

7. The airbag device according to claim 4, wherein one end of said belt portion is connected to said inflator, and the other end of said belt portion is interlocked with and secured to said lid-side peripheral wall portion through a hook portion.