| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a large hole from being opened at the place corresponding to the lower part of a back door even if an inner panel and an outer panel constituting the lower part of a door body are dispersed upon rear surface collision of a vehicle.SOLUTION: An adhesion part (53) of an inner panel (7) and an outer panel (9) at the upper edge part and the lower edge part of a lower part (3b) of a door body (3) is formed as an elastic adhesion part (53) which absorbs stress due to impact upon rear surface collision of a vehicle, a reinforcement sheet-like article (55) which has extending performance is spread vertically with being expanded in the vehicle width direction in an inside space (S) at the lower part (3b) of the door body (3), and the upper and the lower both edge parts of the reinforcement sheet-like article (55) are adhered to the door body (3) at the elastic adhesion part (53) or the part of the outer panel (9) along this.</p> |
