Patent ID: 7083221

Claim:
An arrangement structure of a vehicle door open-close device to automatically open and close a vehicle door by means of a driving force comprising: a roof member provided on a door-opening area for constituting a ceiling member of a vehicle body, said roof member including an outside roof member and an inside roof member; a side member provided on the door-opening area for constituting a side portion of the vehicle body, said side member including an outside side member and an inside side member; and a connecting part between the roof member and the side member; a strengthening member located below the connecting part between the roof member and the side member and bridged across the connecting part and bridged between said inside roof member and said inside side member; wherein said vehicle door open-dose device is arranged in a space surrounded by said roof member, said side member, and said strengthening member; and wherein said inside roof member and said inside side member are connected to the connecting part in which said outside roof member and said outside side member are connected thereto.