US 2005/0029779 A1 · Air bag apparatus

Abstract

An air bag apparatus having a constitution of developing an air bag folded to contain in a case to a rear side of a vehicle by making an expanding gas flow from a gas flow inlet in expanding to develop the air bag. The air bag is arranged with a through hole. The air bag is constituted by a ring-like member arranged with a lower expanded portion arranged with a gas flow inlet, an upper expanded portion arranged to an upper side of the lower expanded portion to communicate with a front side of the lower expanded portion, and a rear expanded portion arranged to connect to a rear part of the lower expanded portion and a rear part of the upper expanded portion at a surrounding of the through hole. The air bag is constituted to finish to expand by closing the through hole.

Claims24

Dependent claims

An air bag apparatus comprising an air bag folded to inside of a case, wherein:

a through hole opens in a procedure of developing the air bag;
and
the through hole is substantially closed in a state of finishing to expand the air bag.

An air bag apparatus folded to contain in a case arranged at an instrument panel in front of a passenger seat and capable of being projected from the case to a rear side of a vehicle on a side of the passenger when an expanding gas flows thereinto,

wherein the air bag is constituted to arrange an upper expanded portion capable of protecting a head of the passenger on a rear side of the side of the passenger in finishing to expand the air bag and arranging a lower expanded portion capable of protecting a chest and belly of the passenger;
and
the lower expanded portion in finishing to expand the air bag is arranged by restraining a moving amount thereof more than a moving amount of moving a rear face of the upper expanded portion to a front side of the vehicle in finishing to expand the air bag in interfering with the passenger by being supported by a supporting member arranged on a front side of the vehicle.

Dependencies are inferred from the claim text.

Facts

Application

10/889,363Filed 13 Jul 2004

Priority

JP P2003-19683114 Jul 2003

Published

10 Feb 2005

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

B60R 21/233
Characterised by their shape, construction or spatial configuration: comprising a plurality of individual compartments; comprising two or more…
B60R 21/205
Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components: in…
B60R 21/2338
Expansion control features: tethers
B60R 21/237
Inflatable members: characterised by the way they are folded

Air bag apparatus

Life of this patent

Air bag apparatus

Life of this patent

Abstract

Claims24