Occupant Restraint Apparatus

• US 20090278394A1
• Filed: 10/27/2006
• Published: 11/12/2009
• Est. Priority Date: 12/16/2005
• Status: Active Grant

• Current Assignee: Joyson Safety Systems Japan K.K.
• Original Assignee: Takata Corporation (Ningbo Junsheng Investment Group Co., Ltd.)
• Inventors: Itoga, Yasuo
• Granted Patent: US 8,016,362 B2
• Time in Patent Office: Days
• US Class Current: 297/468
• CPC Class Codes: B60R 21/18 the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
• CPC Class Codes: B60R 22/22 secured to the vehicle floor

Abstract

An occupant restraint apparatus 20 having a lap belt inflatable portion, into which inflator gas is introduced from the tip side of the lap belt, includes a webbing 21 routed on the front side of an occupant seated on a seat 10, an inflatable lap bag 22 constituting a tip side portion of a lap belt of the webbing 21, an inflator 23 for inflating the lap bag 22, an anchor 24 for attaching the tip side of the lap bag 22 to a vehicle body side member, and a retractor 25 for retracting the rear end side of the webbing 21. The anchor 24, the inflator 23 and a lower portion of a B-pillar cover 30 are covered by a B-pillar cover 32. In addition, a lower portion of the lap bag 22 extending upward from the B-pillar cover 32 is enfolded by a belt cover 33.

Claims

1. An occupant restraint apparatus comprising:

a lap belt having an inflatable portion, into which gas is introduced from its tip side; and

an inflator for inflating the inflatable portion,

wherein a cover covering at least the tip side of the lap belt and the inflator is provided.

2. The occupant restraint apparatus according to claim 1,

wherein the cover is configured so as to be opened by being torn when the inflatable portion is inflated.

3. The occupant restraint apparatus according to claim 2,

wherein the cover has a tear line, and is opened by being torn along the tear line when the inflatable portion is inflated.

4. The occupant restraint apparatus according to claim 1,

wherein the tip side of the lap belt is attached to an anchor attachment portion of a vehicle body via an anchor.

5. The occupant restraint apparatus according to claim 1,

wherein the tip side of the lap belt is attached to an anchor attachment portion of a seat via an anchor.

6. The occupant restraint apparatus according to claim 4,

wherein the inflator is fixed to the anchor.

7. The occupant restraint apparatus according to claim 5,

wherein the inflator is fixed to the anchor.

8. The occupant restraint apparatus according to claim 3,

wherein the cover also covers the anchor.

9. The occupant restraint apparatus according to claim 5,

wherein the cover also covers the anchor.

10. The occupant restraint apparatus according to claim 6,

wherein the cover also covers the anchor.

11. The occupant restraint apparatus according to claim 7,

wherein the cover also covers the anchor.

12. The occupant restraint apparatus according to claim 1,

wherein the cover includes a first masking portion, which covers at least the inflator, and a second masking portion, which covers at least the tip side of the lap belt, the second masking portion being pivotable in a fore-and-aft direction with respect to the first masking portion.

13. The occupant restraint apparatus according to claim 1,

wherein the cover is configured so as to hold the tip side of the lap belt in an attitude of being extended substantially upward in a state when the lap belt is not routed to the side of an occupant.

14. The occupant restraint apparatus according to claim 1,

wherein the cover is made of plastic.