Head protecting air bag

• US 20070046009A1
• Filed: 08/08/2006
• Published: 03/01/2007
• Est. Priority Date: 08/30/2005
• Status: Abandoned Application

• Current Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Original Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Inventors: Ochiai, Yasuo, Suemitsu, Taizo, Miura, Wataru
• Application Number:
  US11/500,300
• Publication Number:
  US 20070046009A1
• Time in Patent Office: Days
• US Class Current: 280/743.200
• CPC Class Codes: B60R 2021/23386 External tether means
• CPC Class Codes: B60R 21/232 Curtain-type airbags deploying mainly in a vertical direction from their top edge
• 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
• CPC Class Codes: B60R 21/2342 Tear seams

Abstract

The air bag is provided with a non-inflatable part, an inflatable part and a coupling part. The coupling part is made by providing a slit portion in a part of the non-inflatable part, and the coupling part and non-inflatable part are joined together continuously at a connecting end portion so as to form an integral structure. The slit portion is provided in a position immediately before a terminal end on the side of the connecting end portion with a curved section for scattering a load imparted to the connecting end portion. The slit portion is further provided at the terminal end on the side of the connecting end portion of the coupling part with a substantially circular hole-like section for scattering a load imparted to the connecting end portion.

Claims

1. An air bag comprising:

an inflatable part;

a non-inflatable part; and

a coupling part defined in an end portion of the air bag for coupling to a vehicle;

wherein a slit portion is formed in the air bag such that that the coupling part is separatable from the non-inflatable part while being connected at a connecting end portion of the coupling part.

2. An air bag according to claim 1, wherein a curved section in the slit portion is provided at the connecting end portion.

3. An air bag according to claim 2, wherein the curved section has an arcuate shape of a predetermined radius.

4. An air bag according to claim 1, wherein the coupling part has a substantially belt-like shape, and

a narrow portion which has a width smaller than other portions of the coupling part is formed in a portion of the coupling part other than the connecting end portion.

5. An air bag according to claim 1, wherein a terminal end of the connecting end portion of the coupling part is provided with a circular hole-like section.

6. An air bag according to claim 1, wherein the slit portion includes a slit having no width.

7. An air bag according to claim 1, wherein the slit portion is formed in the non-inflatable portion.

8. A head protection air bag apparatus comprising an air bag according to claim 1 mounted on a vehicle.