Patent ID: 8215667

Claim:
A knee airbag device for a vehicle, comprising: airbag doors that are provided by forming a tear line at an interior panel of the vehicle, the tear line being broken and the airbag doors producing an aperture portion in the interior panel by being deployed upward and downward; a knee airbag that is accommodated in a folded state at an opposite side of the interior panel from a vehicle cabin side thereof, the knee airbag, by receiving a gas supply from a gas generating device, breaking the tear line of the interior panel and causing the airbag doors to deploy upward and downward with deployment pressure, and being inflated and deployed through the aperture portion toward knees of an occupant; and a deployment timing adjustment structure that causes timings at which the airbag doors are deployed by inflation pressure of the knee airbag to differ between a portion of the airbag doors that is disposed at one side relative to a vehicle lateral direction center of a seat and a portion that is disposed at the other side, wherein the airbag doors are provided with a position at a vehicle lateral direction center of the airbag doors being offset in the vehicle lateral direction relative to a position of the vehicle lateral direction center of the seat, and the deployment timing adjustment structure is structured such that a side of the airbag doors that is opposite from the side that is offset relative to the vehicle lateral direction center of the seat is deployed earlier than the offset side.