Patent ID: 8882139

Claim:
A head protection airbag apparatus comprising an airbag that is folded and received in an upper edge of a window on an inside of a vehicle, an upper edge of which is attached and fixed to a body of the vehicle, and inflated and protruding downward from a storage region by an inflation gas flowed from an inflator to cover the inside of the window, wherein the air bag includes: an inflation shielding section that is arranged to cover the inside of the window upon completion of inflation; and an overlap inflation section that is communicated with the inflation shielding section and when the airbag is completely inflated, arranged on an inside or an outside of the vehicle of the inflation shielding section so that an inflation region of the overlap inflation section is overlapped with an inflation region of the inflation shielding section inflated by the inflation gas, wherein the overlap inflation section is configured to be completely inflated after the inflation shielding section is completely inflated, wherein the overlap inflation section has a generally rod-shaped exterior shape and is arranged to extend substantially along a front and rear direction on a substantially middle region of the inflation shielding section in an upward and downward direction, wherein the overlap inflation section is arranged to be overlapped with a pillar arranged adjacent to the window, as viewed from the inside of the vehicle, and wherein the overlap inflation section is arranged over the substantially entire region of the inflation shielding section in the front and rear direction of the vehicle.