Head-protecting airbag device
First Claim
1. A head-protecting airbag device mountable on a vehicle, the device comprising:
- an airbag folded and arranged in upper edges of side windows inside a vehicle along front-rear direction;
a roof rail garnish having a single plate shape located in an area extending in front-rear direction between a roof head lining of vehicle and side windows for covering an interior side of the folded airbag, the garnish being provided in a lower edge thereof with a door portion to be pushed by the airbag and open when an airbag deploys to cover the interior of side windows;
an inflator for supplying inflation gas to the airbag; and
a cover portion located on a back side of the roof rail garnish over generally the entire length of the folded airbag, wherein the cover portion is arranged intermittently over the entire length of the roof rail garnish, the cover portion comprising;
a bottom wall for covering a lower side of the airbag from an exterior side of the door portion of the roof rail garnish up to the exterior of the folded airbag; and
a side wall extending upward from an exterior end of the bottom wall for covering an exterior side of the airbag, an upper part of the side wall being joined to an upper and exterior portion of the roof rail garnish apart from the door portion and above the folded airbag,wherein the airbag, the roof rail garnish, the inflator and the cover portion are assembled into an airbag module to be mounted on a vehicle as a single part.
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Accused Products
Abstract
A head-protecting airbag device according to the present invention includes an airbag, a roof rail garnish formed into a single plate shape for covering the interior of the folded airbag, and being provided in its lower edge with a door portion to be pushed by the inflating airbag, and an inflator. These members are assembled into an airbag module and mounted on a vehicle as a single part. The airbag module includes a cover portion located in a back side of the roof rail garnish over the generally entire length of the folded airbag. The cover portion includes a bottom wall extending from an exterior side of the door portion for covering a lower side of the folded airbag, and a side wall for covering an exterior side of the airbag. An upper part of the side wall of the cover portion is joined to an exterior portion of the garnish above the folded airbag. The head-protecting airbag device of the present invention is able to protect the airbag until it is mounted on the vehicle, and is also able to suppress a protruding amount of the roof rail garnish toward the interior when in service.
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Citations
3 Claims
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1. A head-protecting airbag device mountable on a vehicle, the device comprising:
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an airbag folded and arranged in upper edges of side windows inside a vehicle along front-rear direction; a roof rail garnish having a single plate shape located in an area extending in front-rear direction between a roof head lining of vehicle and side windows for covering an interior side of the folded airbag, the garnish being provided in a lower edge thereof with a door portion to be pushed by the airbag and open when an airbag deploys to cover the interior of side windows; an inflator for supplying inflation gas to the airbag; and a cover portion located on a back side of the roof rail garnish over generally the entire length of the folded airbag, wherein the cover portion is arranged intermittently over the entire length of the roof rail garnish, the cover portion comprising; a bottom wall for covering a lower side of the airbag from an exterior side of the door portion of the roof rail garnish up to the exterior of the folded airbag; and a side wall extending upward from an exterior end of the bottom wall for covering an exterior side of the airbag, an upper part of the side wall being joined to an upper and exterior portion of the roof rail garnish apart from the door portion and above the folded airbag, wherein the airbag, the roof rail garnish, the inflator and the cover portion are assembled into an airbag module to be mounted on a vehicle as a single part.
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2. A head-protecting airbag device mountable on a vehicle, the device comprising:
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an airbag folded and arranged in upper edges of side windows inside a vehicle along front-rear direction; a roof rail garnish having a single plate shape located in an area extending in front-rear direction between a roof head lining of vehicle and side windows for covering an interior side of the folded airbag, the garnish being provided in a lower edge thereof with a door portion to be pushed by the airbag and open when an airbag deploys to cover the interior of side windows; an inflator for supplying inflation gas to the airbag; and a cover portion located on a back side of the roof rail garnish over generally the entire length of the folded airbag, wherein the cover portion is arranged intermittently over the entire length of the roof rail garnish, and wherein a cover-free portion between the intermittent cover portions is located in the vicinity of a longitudinal center of a side window above the side window, the cover portion comprising; a bottom wall for covering a lower side of the airbag from an exterior side of the door portion of the roof rail garnish up to the exterior of the folded airbag; and a side wall extending upward from an exterior end of the bottom wall for covering an exterior side of the airbag, an upper part of the side wall being joined to an upper and exterior portion of the roof rail, garnish apart from the door portion and above the folded airbag, wherein the airbag, the roof rail garnish, the inflator and the cover portion are assembled into an airbag module to be mounted on a vehicle as a single part.
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3. A head-protecting airbag device mountable on a vehicle, the device comprising:
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an airbag folded and arranged in upper edges of side windows inside a vehicle along front-rear direction; a roof rail garnish having a single plate shape located in an area extending in front-rear direction between a roof head lining of vehicle and side windows for covering an interior side of the folded airbag, the garnish being provided in a lower edge thereof with a door portion to be pushed by the airbag and open when an airbag deploys to cover the interior of side windows; an inflator for supplying inflation gas to the airbag; and a cover portion located on a back side of the roof rail garnish over generally the entire length of the folded airbag, wherein the cover portion intermittently covers a lower side of the airbag such that cover-free portions are located intermittently along the length of the roof rail garnish to facilitate rapid deployment of the airbag, the cover portion comprising; a bottom wall for covering a lower side of the airbag from an exterior side of the door portion of the roof rail garnish up to the exterior of the folded airbag; and a side wall extending upward from an exterior end of the bottom wall for covering an exterior side of the airbag, an upper part of the side wall being joined to an upper and exterior portion of the roof rail garnish apart from the door portion and above the folded airbag, wherein the airbag, the roof rail garnish, the inflator and the cover portion are assembled into an airbag module to be mounted on a vehicle as a single part.
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Specification