Curtain airbag

• US 20020074779A1
• Filed: 12/07/2001
• Published: 06/20/2002
• Est. Priority Date: 12/20/2000
• Status: Active Grant

• Current Assignee: Joyson Safety Systems Japan K.K.
• Original Assignee: Takata Corporation (Ningbo Junsheng Investment Group Co., Ltd.)
• Inventors: Masuda, Yasushi, Nakazawa, Wataru, Nakanishi, Ryosuke
• Granted Patent: US 6,626,457 B2
• Time in Patent Office: Days
• US Class Current: 280/730.2
• CPC Class Codes: B60R 21/232 Curtain-type airbags deploying mainly in a vertical direction from their top edge

Abstract

Hangers of the curtain airbag are used to hang a bag body from a structural member of a vehicle. The hangers restrict the deployment direction of the bag body, and receive reaction force produced when the bag body is deployed downwards. The hangers are mounted to ears of the bag body, and includes a strip-shaped flat plate portion and a sandwiching plate portion formed integrally with the corresponding flat plate portion. The ears of the bag body are sandwiched between inner plates and outer plates of the corresponding sandwiching plate portions. By the flat plate portion of each hanger, the bag body deploys smoothly along an inner surface of the window glass.

Claims

1. A curtain airbag to be deployed along an inner surface side of a window glass, comprising:

a bag body;

an inflator connected to one end of the bag body for supplying deployment gas;

a cover for covering the bag body;

at least one hanger connected to a top end portion of the bag body to hang the bag body from a structural member of the vehicle; and

a restricting member disposed adjacent to the bag body to restrict a deployment direction of the bag body so that the bag body deploys along the inner surface of the window glass when the inflator is actuated.

2. A curtain airbag according to claim 1, wherein the restricting member is a plate provided along the top end of the bag body to extend substantially perpendicular to the window glass.

3. A curtain airbag according to claim 2, further comprising an inner-surface-side member extending from an occupant-side edge of the plate.

4. A curtain airbag according to claim 1, wherein the restricting member is provided at the hanger.

5. A curtain airbag according to claim 4, wherein said restricting member has a length extending along a longitudinal direction of the bag body, which is greater than that of the hanger.

6. A curtain airbag to be deployed along an inner surface side of a window glass, comprising:

a bag body;

an inflator connected to one end of the bag body for supplying deployment gas;

a cover for covering the bag body;

at least one hanger connected to a top end portion of the bag body to hang the bag body from a structural member of the vehicle; and

a receiving member provided along the top end of the bag body, said receiving member receiving a reaction force produced when the bag body deploys downwards.

7. A curtain airbag according to claim 6, wherein the receiving member is a plate provided along the top end of the bag body to extend substantially perpendicular to the window glass.

8. A curtain airbag according to claim 7, further comprising an inner-surface-side member extending down from an occupant-side edge of the plate.

9. A curtain airbag according to claim 6, wherein the receiving member is provided at the hanger.

10. A curtain airbag according to claim 9, wherein said receiving member has a length extending along a longitudinal direction of the bag body, which is greater than that of the hanger.