Patent ID: 9156423
Filing Date: 2015-10-13
Classification: B60R

Abstract:
1. An active bolster for mounting at an interior trim surface of a passenger compartment in an automotive vehicle, comprising: a plastic-molded front wall for deploying in a deployment direction toward a passenger in the passenger compartment; a plastic-molded back wall joined around a substantially sealed perimeter with the front wall to form an inflatable bladder, wherein the back wall includes at least one substantially circumferential pleated baffle and a plurality of attachment towers projecting from a central region disposed within the baffle to join with a reaction surface; and an inflator for coupling an inflation gas into the inflatable bladder in response to a crash event of the vehicle; wherein at least one of the attachment towers includes an elongated notch sunk partially into a surface of the at least one of the attachment towers to provide a thinned wall section configured to tear open at a predetermined pressure during inflation.