Airbag device

• US 20050110248A1
• Filed: 10/12/2004
• Published: 05/26/2005
• Est. Priority Date: 10/17/2003
• Status: Active Grant

• Current Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Original Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Inventors: Kai, Takeshi
• Granted Patent: US 7,198,286 B2
• Time in Patent Office: Days
• US Class Current: 280/729
• CPC Class Codes: B60R 2021/23332 using independent bags, one within the other
• CPC Class Codes: B60R 21/203 in steering wheels or steering columns
• CPC Class Codes: B60R 21/231 characterised by their shape, construction or spatial configuration

Abstract

An airbag device capable of quickly deploying an airbag with a compact inflator, and easy to manufacture.

Claims

1. An airbag device for deploying an airbag into a vehicle compartment by inflating the airbag with a gas generated by an inflator at a time of collision of a vehicle comprising:

an inner airbag, and

an outer airbag independent from the inner airbag wherein the inner airbag is inflated by supplying the gas and inflation of the inner airbag inflates the outer airbag to have a volume larger than that of the inner airbag.

2. The airbag device according to claim 1, wherein the inner airbag is inflated into an S-shape so as to be along an inner periphery of the outer airbag.