Patent attributes
An air bag assembly (80) configured to deploy in a generally vertical direction from the roof of a vehicle, comprising: an air bag (100) having at least one inflatable chamber (110, 112) defined by a material so configured, the inflatable chamber including a top (top end) and an opposite bottom (bottom end); first mounting elements (192, 196) for mounting the air bag to a mounting surface such as the roof of the vehicle and for providing, proximate the top end of the inflatable chamber, a wide and stable base portion from which the air bag extends; an external tether enveloping the material forming the inflatable chamber and positioned on opposing sides of the inflatable chamber, the external tether connected to the air bag proximate the bottom end of the chamber and including respective tether ends connected to the first mounting elements.