Vehicle seat with a gas bag module integrated in a back rest

• US 20030146605A1
• Filed: 02/06/2003
• Published: 08/07/2003
• Est. Priority Date: 02/07/2002
• Status: Active Grant

• Current Assignee: TRW Occupant Restraint Systems GmbH & Co. KG
• Original Assignee: TRW Occupant Restraint Systems GmbH & Co. KG
• Inventors: Loos, Andreas, Acker, Dominique, Hofmann, Sven
• Granted Patent: US 7,178,826 B2
• Time in Patent Office: Days
• US Class Current: 280/730.1
• CPC Class Codes: B60R 21/207 in vehicle seats
• CPC Class Codes: B60R 21/231 characterised by their shape, construction or spatial configuration
• CPC Class Codes: B60R 21/23138 specially adapted for side protection B60R21/23184, B60R21/232 take precedence
• CPC Class Codes: B60R 21/237 characterised by the way they are folded

Abstract

A vehicle seat comprises a back rest and a gas bag module integrated into said back rest extending in an upward direction to have an upward extent. The gas bag module includes a gas bag and a gas generator. When installed, the gas bag is arranged within the back rest so as to be extended in the upward direction of the back rest and one of folded and rolled up transversely to the upward direction. A height of said gas bag when inflated corresponds substantially to said upward extent of the back rest.

Claims

1. A vehicle seat comprising a back rest and a gas bag module integrated into said back rest extending in an upward direction and having an upward extent, said gas bag module including a gas bag and a gas generator,

said gas bag when installed being arranged within said back rest so as to be extended in said upward direction of said back rest and one of folded and rolled up transversely to said upward direction and

a height of said gas bag when inflated corresponding substantially to said upward extent of said back rest.

2. The vehicle seat according to claim 1, wherein said folded-up gas bag has at least one flexible package section, a course of said package section being adapted to a contour of said back rest, seen in a side view of said vehicle seat.

3. The vehicle seat according to claim 1, wherein said gas generator, in relation to a upward extent of said back rest, is arranged substantially in a middle of said back rest, seen in a side view of said vehicle seat.

4. The vehicle seat according to claim 3, wherein said folded-up gas bag has two flexible package sections which are arranged on both sides of said gas generator.

5. The vehicle seat according to claim 1, wherein said gas generator is arranged in said gas bag.

6. The vehicle seat according to claim 1, wherein a housing is provided and incorporated into a padding of said vehicle seat by means of foaming, said gas bag module being inserted in said housing.

7. The vehicle seat according to claim 1, wherein said gas bag module is embedded in said vehicle seat by means of foaming.

8. The vehicle seat according to claim 1, wherein said back rest has a frame and wherein a receiving space for said gas bag module is provided in said frame.

9. The vehicle seat according to claim 1, wherein a receiving space for said gas bag module is provided in said back rest, and wherein a section of a seat cover extends inwards as far as into said receiving space and surrounds said gas bag module.

10. The vehicle seat according to claim 1, wherein said gas bag module is a pre-assembled unit which is constructed without a rigid outer housing at least in a region outside said gas generator.

11. The vehicle seat according to claim 1, wherein said gas generator is a tube gas generator.