Patent ID: 7461858
Filing Date: 2008-12-09
Classification: B60R

Abstract:
1. A curtain airbag device, comprising: a curtain portion provided at a window, the curtain portion being configured so as to be fixed to at least a window side at a portion thereof, accommodated at a peripheral portion of the window in a folded state thereof and cover the window in an inflated state thereof; and a gas supply device operative to supply gas to an inflatable portion of said curtain portion to inflate said curtain portion in a specified condition, wherein said curtain portion includes a tip side portion that is located at a tip of a side portion thereof and a tension portion that is located at the side portion thereof away from the tip side portion, said curtain portion in the folded state is accommodated in such a manner that the tip side portion is positioned near a support portion that is provided at a window edge and the tension portion is positioned near said window side to which the curtain portion is fixed, and said curtain portion is configured such that when the curtain portion is inflated with the inflation of the inflatable portion, the tip side portion is moved in an inflation direction and the tension portion is moved to the support portion so as to engage with the support portion, wherein said curtain portion is configured so as to be fixed to a first window side at a portion thereof and accommodated at the first window side, a second window side and a third window side, the second and third window sides being located at both sides of the first window side, said curtain portion includes a second-window-side tip side portion that is located at a tip of a side portion thereof located at a side of the second window side and a third-window-side tip side portion that is located at a tip of a side portion thereof located at a side of the third window side, and a second-window-side tension portion that is located at the side portion thereof at the side of the second window side away from the second-window-side tip side portion and a third-window-side tension portion that is located at the side portion thereof at the side of the third window side away from the third-window-side tip side portion, said curtain portion in the folded state is accommodated in such a manner that the second-window-side tip side portion is positioned near a second-window-side support portion that is provided at the second window side and the third-window-side tip side portion is positioned near a third-window-side support portion that is provided at the third window side, and the second-window-side tension portion and the third-window-side tension portion are positioned near the first window side, and said curtain portion is configured such that when the curtain portion is inflated with the inflation of the inflatable portion, the second-window-side and third-window-side tip side portions are moved in the inflation direction, respectively, and the second-window-side and third-window-side tension portions are moved to the second-window-side and third-window-side support portions so as to engage with the second-window-side and third-window-side support portions, respectively.