Patent ID: 7651125
Filing Date: 2010-01-26
Classification: B60R

Abstract:
1. An air bag for a driver's seat of a vehicle, included in an air bag module mounted inside a steering wheel and configured by the combination of an upper air bag cover and a lower air bag cover, the air bag for the drivers' seat of the vehicle comprising: a first tether including a first extension having a first flow hole spaced from an edge of a central plate sewn to the upper air bag cover and extending toward the lower air bag cover, through which a gas of a first threshold pressure generated from an inflator flows and a penetration hole in the first extension, and a second tether including a second extension having a second flow hole, formed inside the first tether, of which one end is fixed on the central plate and extends toward the lower air bag cover and, wherein the first and second tethers are configured to selectively open a fluid passage formed therebetween by the first threshold pressure, and wherein the second tether is sewn to the penetration hole of the first tether and tears away by a gas of a second threshold pressure generated from the inflator.