DEVICE FOR OPENING AND CLOSING VEHICLE DOOR

To provide a vehicle door opening device that unlikely affects stroke of a moving member. A closing reversible member 5 on which a closing cable 10 is wound is provided under a lower surface at the front end of a center guide rail 2, and an opening reversible member 7 on which an opening cable 11 is wound is provided on an upper surface at the rear end of the center guide rail 2. At a lower part of the moving member 9 which moves along the center guide rail 2, there is provided a closing coupling portion 91 coupled to the closing cable 10, and at an upper part thereof, there is provided an opening coupling portion 92 coupled to the opening cable 11. Thus, the closing cable 10 can move along a lower surface of the center guide rail 2, and the opening cable 11 can move along an upper surface of the center guide rail 2.