Roll-up shade apparatus for vehicle

There is provided a roll-up shade apparatus 1 which can ensure a larger open dimension of a shade 3. The roll-up shade apparatus 1 comprises a pair of first wire drums 5 which travel and rotate in a wire wind-up direction P1 or a wire feed direction P2 when the shade 3 is moved in the open direction or the closing direction, a pair of second wire drums 6 which are coupled to a retractor 4 so as to be rotatable together with the retractor 4, and which are rotatably provided at both sides of the retractor 4 coaxially therewith so that a wire wind-up direction Q1 becomes opposite to a shade wind-up direction R1 of the retractor 4, and a pair of wires 7 suspended between the respective first and second wire drums 5, 6 so that the second wire drums 6 rotate in a wire feed direction Q2 or in a wire wind-up direction Q1 when the first wire drums 5 rotate in the wire wind-up direction P1 or in the wire feed direction P2, respectively.