Gm Global Technolgoy Operations, Inc.

John D Horsch

Gregory A Miller

Jeffery L Pearson

An occupant restraint system for a vehicle occupant includes a folded occupant restraint cushion mounted to a support and a band wrapped around the cushion and having its ends secured to the support. The band includes a weakened portion located above the outer wall of the cushion. The weakened portion is ruptured by the force of the inflating cushion when the internal pressure of the cushion exceeds a predetermined limit to permit the cushion to deploy normal to or toward the occupant. The band delays the initial deployment of the cushion toward the occupant.

Occupant restraint system

An occupant restraint system includes a module having a support provided with openings therethrough which are normally closed by rupturable diaphragms when the pressure within the cushion exceeds a predetermined limit, the reaction force on the module moves the diaphragms into engagement with rupture pins to rupture the diaphragms and vent the cushion to ambient through the support.

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Rochester Hills, MI, United States of America

John D Horsch