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Head protection airbag

  • US 8,006,999 B2
  • Filed: 09/22/2009
  • Issued: 08/30/2011
  • Est. Priority Date: 10/03/2008
  • Status: Active Grant
First Claim
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1. A head protection airbag which is configured to be folded and stored by an upper edge of a window on an inside of a vehicle, an upper edge side of the airbag being mounted and fixed to a body of the vehicle, so as to protrude downward from where the head protection airbag is stored due to an inflow of inflation gas from an inflator, and to be deployed and inflated so as to cover the window on the inside, the head protection airbag comprising:

  • a shielding main body portion which is configured to cover the window on the inside when the inflation is completed;

    a plurality of mounting portions which protrude upward from an upper edge of the shielding main body portion and mount the upper edge of the shielding main body portion on the upper edge of the window; and

    a connection port which has a substantially tubular shape, protrudes upward from the upper edge of the shielding main body portion, and has an insertion opening for connection to the inflator at an upper end, so as to allow the inflow of inflation gas to an inflation portion of the shielding main body portion,wherein the shielding main body portion has an inflation portion, which is inflated due to the inflow of inflation gas between a vehicle inside-facing wall and a vehicle outside-facing wall, and a non-inflation portion into which there is no inflow of inflation gas, is manufactured by double weaving, and has a shape when the shielding main body portion is flatly deployed so that the vehicle inside-facing wall and the vehicle outside-facing wall overlap with each other which is substantially rectangular,wherein the mounting portions and the connection port are separate from the double-woven shielding main body portion and are connected to the shielding main body portion,wherein an opening for connecting the connection port is formed at the upper edge of the shielding main body portion, andwherein the connection port is connected to the shielding main body portion by reversing a lower edge of the connection port which is to communicate with the shielding main body portion so that the lower edge is turned upward, and sewing the lower edge to a peripheral edge of the opening formed at the upper edge of the shielding main body portion for connecting the connection port.

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