Patent ID: 7117638

Claim:
An open-and-close mechanism for a vehicle door, which is driven by electric power, comprising: a driving mechanism disposed in a vehicle compartment and positioned inwardly from a door opening; and an operation transfer mechanism connecting said driving mechanism and said vehicle door; the operation transfer mechanism being equipped with a slider member reciprocatingly and linearly moving by the aid of the driving mechanism, and a link member directly connecting the slider member and the vehicle door, wherein said link member having a first end and a second end, the first end being rotatably connected to the slider member and the second end being rotatably connected to the vehicle door, and said link member is formed to have a curved portion outwardly and protrudingly curved away from a center of rotation of the vehicle door, and the link member is a single body, and wherein said curved portion passes across the door opening in the process of a fully opening and fully closing state of the vehicle door.