WAIST RESTRAINING AIRBAG DEVICE AND SEAT CUSHION DEVICE USING THE SAME

摘要

An object of the present invention is to provide a waist restraining airbag device which contributes to improvement in performance of restraining the waist of a vehicle occupant. A waist restraining airbag device according to the present invention is disposed in or under a seat cushion of a vehicle and adapted to restrain in an emergency the waist of an occupant sitting on the seat cushion so as to limit occupant's forward movement, wherein the airbag device includes an airbag arranged in an inflatable and expandable state, with at least a part of its bottom surface fixed; and a gas supply device for supplying inflation gas to the interior of the airbag. Further, the airbag is expandable while being inclined from a direction vertical to the bottom surface.