Airbag device

Details Airbag device Airbag device

2004-01-29

2009-12-29

Fleming, Faye M. (Department: 3616)

Land vehicles

Wheeled

Attachment

Reexamination Certificate

active

07637530

ABSTRACT:
In an air bag device1against a side collision which can be expanded and spread out in a gap between an outside portion of a seat of a vehicle and a wall opposite thereto owing to gas generated by an inflator20in emergency situations so as to obtain the air bag device at a low cost which system is provided with plural air chambers having difference in expansion timing and pressure depending on portions of a body of a crew, an air bag10is structured by a lower air chamber12provided with the inflator and an upper air chamber14, a partition unit40for partitioning the lower air chamber12and the upper air chamber14is structured by a cloth sewn to the air bag, and a communication hole40ewhich introduces gas from the inflator20from the lower air chamber14into the upper air chamber and is closed when subjected to pressure of the upper chamber as the pressure of the lower air chamber is reduced is formed in the cloth.

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