Airbag cushion for seat belt
AssigneeHyundai Motor Company
InventorIl Hwan Kim
Life of this patent
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Abstract
Disclosed is an airbag cushion for a seat belt. The airbag cushion includes a main bag, an upper tether, and a lower tether. The main bag includes a center chamber at a central portion thereof, and side chambers provided on opposite sides of the center chamber and in communication with the center chamber such that gas flows between the center chamber and the side chambers. In particular, in the event of a vehicle collision, the side chambers are first filled with the gas and then the gas flows from the side chambers to fill the center chamber. The upper tether is provided to cover a first surface of the main bag. The lower tether is provided to cover a second surface of the main bag and is sewn to the upper tether to define the main bag.
Claims9
An airbag cushion for a seat belt, comprising:
- a main bag including a center chamber at a central portion thereof, and side chambers provided on opposing sides of the center chamber, the side chambers being in communication with the center chamber in such a way that, in the event of a vehicle collision, the side chambers are first filled with a gas and, subsequently, the gas flows from the side chambers to the center chamber, thereby filling the center chamber with the gas;
- an upper tether extending to cover a first surface of the main bag;
- and
- a lower tether extending to cover a second surface of the main bag, the lower tether attached to the upper tether to define the main bag between the lower tether and the upper tether
- wherein each of first and second ends of the center chamber comprise a webbing hole into which a webbing is fitted.
Dependencies are inferred from the claim text.