Patent ID: 7740270
Filing Date: 2010-06-22
Classification: B60R

Abstract:
1. A curtain air bag apparatus for protecting an occupant in a vehicle upon a vehicle collision, comprising: an air bag body inflating and deploying in a curtain-like shape in a side surface of a vehicle interior with a high pressure gas jetted and introduced into the air bag body by an inflator, the air bag body comprising: a main inflation chamber and a sub-inflation chamber defined by a partition portion formed in the air bag body, and respectively located at an upper side and a lower side of the air bag body; and a gas flow regulation passage which is formed at the partition portion, and through which the gas introduced into the main inflation chamber flows into the sub-inflation chamber in a substantially same direction as a direction of the deployment of the air bag body, which is from an upper side to a lower side of the air bag body.