Knee protecting airbag device

Details Knee protecting airbag device Knee protecting airbag device

B - Operations, Transporting

60

R

B60R 21/203 (2006.01)

Patent

CA 2667896

In a knee protecting airbag device of the present invention, in the lower area inside a column cover(14a), a case (37) housing an airbag is attached to a steering column (3), (7). The steering column includes a movable member(8) for moving toward the front side of a vehicle along the axial direction of the column at the time when an impact on the front of the vehicle acts, and an unmoving stationary member (8), so that the column can absorb the impact when the movable member moves. The case is attached to such an area of the movable member that the case hits the stationary member when the moving member moves and absorbs impact, and the case can be deformed before or at the time of hitting the stationary member so that the moving stroke of the movable member is preserved when it moves.

La présente invention concerne un dispositif d'airbag de protection de genoux dans lequel, dans la zone inférieure à l'intérieur d'une enveloppe de colonne (14a), une caisse (37) qui loge un airbag est fixée à une colonne de direction (3), (7). La colonne de direction comprend un élément mobile (8) destiné à se déplacer vers le côté avant d'un véhicule le long de la direction axiale de la colonne à un instant auquel un impact est engendré sur l'avant du véhicule, et un élément stationnaire immobile (8), de sorte que la colonne puisse absorber l'impact lorsque l'élément mobile se déplace. La caisse est fixée à une zone de l'élément mobile de sorte que la caisse heurte l'élément stationnaire lorsque l'élément mobile se déplace et absorbe l'impact, et la caisse peut être déformée avant ou à l'instant du choc de l'élément stationnaire de sorte que la course de déplacement de l'élément mobile soit préservée lors de son déplacement.

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