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DUAL ROOF RAIL AIR BAG WITH INTEGRATED FILL SYSTEM

  • US 20030184060A1
  • Filed: 03/27/2002
  • Published: 10/02/2003
  • Est. Priority Date: 03/27/2002
  • Status: Active Grant
First Claim
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1. A roof rail air bag system for an automotive vehicle having a stored state and a deployed state, the air bag system comprising:

  • an inflatable curtain attached to a roof rail of the vehicle, the inflatable curtain operative to cover at least one side window of the vehicle in the deployed state;

    an inflatable tube structure disposed along a bottom edge of the inflatable curtain, the inflatable tube structure having an input end fixed in a front pillar and a closed end fixed in a rearward pillar of the vehicle, the inflatable tube structure positioning the inflatable curtain over the at least one window when inflated;

    an inflator for rapidly providing inflation gas under pressure to the inflatable tube structure and the inflatable curtain when activated; and

    a gas manifold operable to receive gas from the inflator through a received end, the manifold having a first portion extending part way through the interior of the inflatable curtain and having a plurality of holes to deliver gas to the inflatable curtain, the manifold further having a second portion extending external to the inflatable curtain along the front pillar of the vehicle and operable to deliver gas through a delivery end to the inflatable tube structure, wherein the gas manifold delivers gas substantially simultaneously to the inflatable curtain and the inflatable tube structure.

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