| US 7,484,755 B2 | ||
| Air belt and air belt apparatus | ||
| Akira Kokeguchi, Tokyo (Japan) | ||
| Assigned to Takata Corporation, Tokyo (Japan) | ||
| Filed on Jul. 27, 2006, as Appl. No. 11/493,696. | ||
| Claims priority of application No. 2005-224296 (JP), filed on Aug. 02, 2005. | ||
| Prior Publication US 2007/0029767 A1, Feb. 08, 2007 | ||
| Int. Cl. B60R 21/18 (2006.01); B60R 21/237 (2006.01) | ||
| U.S. Cl. 280—733 [280/743.1] | 6 Claims |
| 1. An air belt comprising:
an inflatable bag portion adapted to be expanded by gas and folded into a belt-like shape to form a folded body, wherein the
inflatable bag portion comprises two overlapping material sheets combined together along edges of the sheets to form an inflatable
chamber;
a stretchable cover for the folded body; and
a stitching thread that penetrates the cover and the inflatable bag portion; wherein the stitching thread is adapted to be
ruptured when the air belt is expanded,
wherein the stitching thread penetrates the inflatable bag portion outside of the inflatable chamber.
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