| 摘要 |
Disclosed is a side airbag, which controls the pressure of the airbag by controlling the outflow of gas in such a manner as to block or open a vent hole depending on the physical size of the occupant. The side airbag includes a side airbag cushion disposed to at least one side of a seat and having at least a vent hole formed at an upper part and at least a gas control member disposed to block or open the vent hole of the side airbag, for allowing or preventing gas to flow out through the vent hole by the inner pressure of the gas upon deployment of the side airbag cushion. Thus, injury to the occupant can be reduced.
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