Air bag

• US 20070252365A1
• Filed: 03/23/2007
• Published: 11/01/2007
• Est. Priority Date: 04/28/2006
• Status: Active Grant

• Current Assignee: Nihon Plast Company Limited
• Original Assignee: Nihon Plast Company Limited
• Inventors: Uchida, Yasuhiro, Urushibata, Akito
• Granted Patent: US 8,011,691 B2
• Time in Patent Office: Days
• US Class Current: 280/729
• CPC Class Codes: B60R 2021/23382 Internal tether means
• CPC Class Codes: B60R 21/233 comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other B60R21/232 takes precedence
• CPC Class Codes: B60R 21/2338 Tethers

Abstract

An air bag deployed from a mounted member mounted with the air bag toward an occupant by an insertion of a gas, the air bag includes a front surface portion confronting the occupant, the front surface portion being arranged to be deployed toward the occupant. The front surface portion includes a lower expansion portion arranged to inflate to abut on a breast portion of the occupant, a pair of side expansion portions arranged to inflate to left and right sides of a head portion of the occupant to avoid the head portion of the occupant, and a recessed portion surrounded by the lower expansion portion and the side expansion portions, and recessed toward the mounted member.

Claims

1. An air bag deployed from a mounted member mounted with the air bag toward an occupant by an insertion of a gas, the air bag comprising:

a front surface portion confronting the occupant, the front surface portion being arranged to be deployed toward the occupant, the front surface portion including;

a lower expansion portion arranged to inflate to abut on a breast portion of the occupant;

a pair of side expansion portions arranged to inflate to left and right sides of a head portion of the occupant to avoid the head portion of the occupant; and

a recessed portion surrounded by the lower expansion portion and the side expansion portions, and recessed toward the mounted member.

2. The air bag as claimed in claim 1, wherein the front surface portion includes an upper expansion portion arranged to inflate on an upper side of the head portion of the occupant to avoid the head portion.

3. The air bag as claimed in claim 2, wherein the recessed portion is surrounded by the upper expansion portion, lower expansion portion and the side expansion portions.

4. The air bag as claimed in claim 1, wherein the front surface portion is formed of a base fabric;

the recessed portion is formed by folding back the base fabric forming the front surface portion toward a bottom portion on the mounted member'"'"'s side.

5. The air bag as claimed in claim 4, wherein the recessed potion includes a connection section connecting the bottom portion of the recessed portion and the mounted member.