Patent ID: 8448985
Filing Date: 2013-05-28
Classification: B60R

Abstract:
1. An active bolster for an automotive vehicle, comprising: a reaction wall for mounting against a rigid structure of the vehicle; and an expansion wall overlying the reaction wall; wherein the reaction wall and expansion wall are comprised of molded plastic components; and wherein at least one of the reaction wall and the expansion wall includes a plurality of tether tabs, each tether tab having a contoured edge defining a movable flap, the contoured edge having first and second ends defining a first hinge axis, the contoured edge having a pair of complementary undulations defining a second hinge axis substantially parallel to the first hinge axis, wherein the movable flap has an attachment region joined to the other one of the reaction wall and the expansion wall, and wherein the second hinge axis extends between the attachment region and the first hinge axis.