Airbag module flaps

• US 7,478,826 B2
• Filed: 01/19/2006
• Issued: 01/20/2009
• Est. Priority Date: 01/19/2006
• Status: Active Grant

• Current Assignee: Autoliv ASP Incorporated (Autoliv Incorporated)
• Original Assignee: Autoliv ASP Incorporated (Autoliv Incorporated)
• Inventors: Johnson, Kelly, Tsuchida, Yutaka, Soderquist, Quin
• Primary Examiner(s): Fleming; Faye M.
• Application Number:
  US11/335,289
• Publication Number:
  US 20070164541A1
• Time in Patent Office: 1,097 Days
• Field of Search: 280/730.2, 280/728.2, 280/743.1
• US Class Current: 280/728.2
• CPC Class Codes: B60R 21/20 Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
• CPC Class Codes: B60R 21/201 Packaging straps or envelopes for inflatable members

Abstract

Disclosed are embodiments of an airbag cushion and related airbag modules including a plurality of flaps that may be used to secure the airbag within a module housing. In one embodiment of the invention, first and second flaps are connected with the airbag cushion. The airbag cushion is adapted to be condensed into a compact configuration wherein the first flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap.

Claims

1. An airbag cushion construction, comprising:

an airbag cushion;

a first flap connected with the airbag cushion, wherein the first flap comprises fabric material; and

a second flap connected with the airbag cushion, wherein the second flap comprises fabric material, and wherein the airbag cushion is configured to be condensed into a compact configuration, and wherein in the compact configuration the first flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap.

2. The airbag cushion construction of claim 1, further comprising a third flap connected with the airbag cushion.

3. The airbag cushion construction of claim 2, wherein in the compact configuration the third flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap such that the second flap is sandwiched between the first and third flaps.

4. The airbag cushion construction of claim 3, wherein the first and third flaps are integrally connected with one another along a base portion such that the first flap, base portion, and third flap together form a U-shaped member.

5. The airbag cushion construction of claim 4, wherein the second flap is integrally connected with a base portion such that the second flap and the second flap base portion together form a T-shaped member, and wherein the T-shaped member and the U-shaped member overlap in the compact configuration.

6. The airbag cushion construction of claim 2, further comprising:

a fourth flap connected with the airbag cushion; and

a fifth flap connected with the airbag cushion, wherein in the compact configuration each of the flaps are sandwiched adjacent to one another such that the second flap is sandwiched between the first and third flaps and the fourth flap is sandwiched between the third and fifth flaps, and such that the second and fourth flaps extend in at least approximately the opposite direction as the first, third, and fifth flaps.

7. The airbag cushion construction of claim 1, wherein the compact configuration comprises a rolled configuration.

8. The airbag cushion construction of claim 1, wherein the flaps are sewn to the airbag cushion.

9. The airbag cushion construction of claim 1, wherein the flaps are connected with the airbag cushion at existing seam locations on the airbag cushion.

10. The airbag cushion construction of claim 9, wherein the flaps are sewn to the airbag cushion along existing seams on the airbag cushion.

11. The airbag cushion construction of claim 1, wherein the first and second flaps each comprise tear seams designed to be torn upon inflation of the airbag cushion.

12. An airbag module, comprising:

an airbag module housing;

an airbag cushion condensed into a compact configuration within the airbag module housing;

a first flap connected with the airbag cushion and connected with the airbag module housing; and

a second flap connected with the airbag cushion and connected with the airbag module housing, wherein the first flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap such that the first and second flaps are connected with the airbag module housing at opposite portions of the airbag module housing, wherein each of the first and second flaps is configured to move relative to the housing to permit the airbag cushion to transition from the compact configuration to a deployed configuration.

13. The airbag module of claim 12, further comprising a plurality of hooks positioned on the airbag module housing, wherein the first and second flaps each comprise at least one opening, and wherein the plurality of hooks fit through the flap openings to thereby restrain the airbag cushion within the airbag module housing.

14. The airbag module of claim 12, wherein the first and second flaps each comprise tear seams designed to be torn upon inflation of the airbag cushion.

15. The airbag module of claim 12, wherein the first and second flaps are each releasably connected with the airbag module housing.

16. The airbag module of claim 15, wherein the first and second flaps are releasably connected with the airbag module housing by way of a hook-and-loop fastener material.

17. The airbag module of claim 12, further comprising a third flap connected with the airbag cushion and connected with the airbag module housing.

18. The airbag module of claim 17, wherein the third flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap such that the second flap is sandwiched between the first and third flaps, and such that the second and third flaps are connected with the airbag module housing at opposite portions of the airbag module housing.

19. The airbag module of claim 18, wherein the first and third flaps are integrally connected with one another along a base portion such that the first flap, base portion, and third flap together form a U-shaped member.

20. The airbag module of claim 19, wherein the second flap is integrally connected with a base portion such that the second flap and the second flap base portion together form a T-shaped member, and wherein the T-shaped member and the U-shaped member overlap.

21. The airbag module of claim 17, further comprising:

a fourth flap connected with the airbag cushion and connected with the airbag module housing; and

a fifth flap connected with the airbag cushion and connected with the airbag module housing, wherein each of the flaps are sandwiched adjacent to one another such that the second flap is sandwiched between the first and third flaps and the fourth flap is sandwiched between the third and fifth flaps, and such that the second and fourth flaps are connected with the airbag module housing at an opposite portion of the airbag module housing with respect to the first, third, and fifth flaps.

22. The airbag module of claim 12, wherein the compact configuration comprises a rolled configuration.

23. The airbag module of claim 12, wherein the flaps are sewn to the airbag cushion.

24. The airbag module of claim 12, wherein the flaps are connected with the airbag cushion at existing seam locations on the airbag cushion.

25. The airbag module of claim 24, wherein the flaps are sewn to the airbag cushion along existing seams on the airbag cushion.

26. An airbag module, comprising:

an airbag module housing;

an airbag cushion condensed into a compact configuration within the airbag module housing;

a first flap connected with the airbag cushion and connected with the airbag module housing;

a second flap connected with the airbag cushion and connected with the airbag module housing, wherein the first flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap such that the first and second flaps are connected with the airbag module housing at opposite portions of the airbag module housing; and

means for releasing the connection between the airbag cushion and the airbag module housing upon inflation of the airbag cushion.

27. The airbag module of claim 26, wherein the means for releasing the connection between the airbag cushion and the airbag module housing comprises means for releasing the connection between the airbag cushion and the flaps.

28. The airbag module of claim 27, wherein the means for releasing the connection between the airbag cushion and the flaps comprise tear seams designed to be torn upon inflation of the airbag cushion.

29. The airbag module of claim 26, wherein the means for releasing the connection between the airbag cushion and the airbag module housing comprises means for releasing the connection between the flaps and the airbag module housing.

30. The airbag module of claim 29, wherein the means for releasing the connection between the flaps and the airbag module housing comprises a hook-and-loop fastener material.

31. An airbag module, comprising:

an airbag module housing;

an airbag cushion condensed into a compact configuration within the airbag module housing;

a first flap that comprises fabric material and is connected with the airbag cushion and connected with the airbag module housing;

a second flap that comprises fabric material and is connected with the airbag cushion and connected with the airbag module housing; and

a third flap that comprises fabric material and is connected with the airbag cushion and connected with the airbag module housing, wherein the second flap is sandwiched between the first and third flaps and the second flap extends in at least approximately the opposite direction as the first and third flaps such that the first and third flaps are connected with the airbag module housing at an opposite portion of the airbag module housing with respect to the second flap.

32. An airbag module, comprising:

an airbag module housing defining an opening and having a portion opposite the opening;

an airbag cushion condensed into a compact configuration within the airbag module housing, wherein the airbag cushion is configured to be deployed through the opening defined by the housing; and

a flap attached to the airbag cushion and connected with the airbag module housing, wherein the flap is positioned and configured to secure the airbag cushion in its compact configuration and against an interior surface of the airbag module housing such that at least a portion of the airbag is positioned between a portion of the flap that faces the airbag and the portion of the housing that is opposite the opening.

33. The airbag module of claim 32, further comprising a second flap attached to the airbag cushion and connected with the airbag module housing, wherein the first flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap such that the first and second flaps are connected with the airbag module housing at opposite portions of the airbag module housing.

34. The airbag module of claim 33, wherein the first and second flaps each comprise tear seams designed to be torn upon inflation of the airbag cushion.

35. The airbag module of claim 33, wherein the first and second flaps are each releasably connected with the airbag module housing.

36. The airbag module of claim 33, further comprising a third flap attached to the airbag cushion and connected with the airbag module housing.

37. The airbag module of claim 36, wherein the third flap extends adjacent to the second flap and in at least approximately the opposite direction as the second flap such that the second flap is sandwiched between the first and third flaps, and such that the second and third flaps are connected with the airbag module housing at opposite portions of the airbag module housing.

38. The airbag module of claim 37, wherein the first and third flaps are integrally connected with one another along a base portion such that the first flap, base portion, and third flap together form a U-shaped member.

39. The airbag module of claim 38, wherein the second flap is integrally connected with a base portion such that the second flap and the second flap base portion together form a T-shaped member, and wherein the T-shaped member and the U-shaped member overlap.

40. The airbag module of claim 32, wherein the flap is releasably connected with the airbag module housing.