Patent ID: 6471238
Filing Date: 2002-10-29
Classification: B60R

Abstract:
An air-bag device provided in a steering wheel including a bottom wall portion, steering wheel spokes and a main body, the air bag being positioned in an area enclosed by the bottom wall portion, the steering wheel spokes and the main body and comprising:an inflator; an air-bag inflated by a gas supplied from the inflator; and a cover member for covering front sides of the inflator and the air-bag and to be split open upon inflation of the air-bag, the cover member including a front wall portion covering a front surface and outer circumferential surface of the air-bag and a surrounding wall portion continuously formed with said front wall portion and has a first splitting line extending in a middle position on a rear surface of the cover member along a first direction and over opposite ends of the front wall portion along a second direction and a second splitting line on the surrounding wall portion continuously formed with the front wall portion along the second direction with the second splitting line extending from an end of said first splitting line substantially towards a frontward direction; said air-bag is accommodated under the cover member in such a folded state that: (1) opposite ends of the air-bag along a first axis are folded towards its middle along a first axis and are rolled in a direction opposite to the folding direction along the first axis, and (2) opposite ends of the air-bag along a second axis, perpendicular to the first axis, are folded in a zigzag manner one fold over another along the second axis.