Patent ID: 7055851
Filing Date: 2006-06-06
Classification: B60R

Abstract:
1. A knee protecting airbag device, wherein a knee protecting airbag is folded and housed in a case arranged in front of the knees of a seated passenger and is protruded toward the rear of a vehicle from said case when an inflating gas flows in, so that the airbag is expanded and inflated upward while being unfolded, wherein said case is provided with a surrounding wall portion of a generally square tube shape opened on the rear side of the vehicle, and a bottom wall portion closing the vehicular front side of said surrounding wall portion, said surrounding wall portion defining an opening opposite to the bottom wall portion, wherein said case has a height near the opening larger than the height of said bottom wall portion and the case is expanded toward a leading edge of said opening when said airbag is expanded and inflated; wherein an upper wall portion in said case surrounding wall portion can be deformed to expand said case opening when said airbag is expanded and inflated; wherein a distance between an upper wall portion of said surrounding wall portion and a lower wall portion of said surrounding wall portion does not decrease from the bottom wall portion to the opening; and wherein an airbag cover is arranged to cover the vehicular rear of said case, the airbag cover including a door portion covering said opening, the door portion opening to protrude said airbag when said airbag is inflated, a door opening made by the door portion when opened having a width along the vertical direction larger than a width of the bottom wall portion in the vertical direction.