Abstract: A protective frame structure for a motor vehicle gas tank including a pair of frame side members extending longitudinally along the sides of the gas tank, a pair of frame crossing members disposed in front of and rear of the gas tank, a protective crossing member having no corners disposed between the gas tank and the rear frame crossing member and a shock absorber means disposed between the gas tank and the front frame crossing member whereby the gas tank is protected from being either punctured or burst in a rear end or front end collision by said protective crossing member and said shock absorber means.

Abstract: An inflatable type occupant restraint device for an automobile or the like, comprising a gas bag box secured to the central part of a steering wheel, a gas bag folded up within the gas bag box, and a wheel pad sewn on the outside surface of the gas bag. The wheel pad is detachably and fittingly engaged with the gas bag box. The lower part of the gas bag communicates with a gas passage leading to a gas injection unit. In case of the collision of the automobile or the like, the gas bag is inflated without causing the wheel pad to fly off.