Patent ID: 9573552
Date: 2017-02-21
CPC Classifications: B60R

Claim:
1. An airbag apparatus for a vehicle, comprising: an airbag stored in a folded state in a portion of a vehicle body; an inflator that provides a gas for inflating the airbag; the airbag including a main chamber, a first delay chamber, and a second delay chamber; the main chamber operable to be inflated earlier than the first delay chamber; the first delay chamber including a first opening through which the gas passes from the main chamber to the first delay chamber, the second delay chamber including a second opening through which the gas passes from the main chamber directly to the second delay chamber, the main chamber and the first delay chamber are divided by a first seam line except for at a portion of the airbag where the first opening is provided, and the first delay chamber and the second delay chamber are divided by a second seam line; and the first delay chamber further including a recess located a predetermined distance downstream from the first opening and having a shape configured to collapse, wherein the first delay chamber fully inflates prior to the first opening collapsing due to inflation, and a shape of the recess is approximately a triangle.