Sunshade system having blind sheet

A sunshade system for a vehicle, the sunshade system comprising:

• a blind sheet for covering a window of the vehicle;
• and
• a roll shade arrangement that is rotatable in both of a normal direction and a reverse direction to unwind and wind the blind sheet, wherein:
• the roll shade arrangement is ranged along an edge of the window;
• the roll shade arrangement includes:
• a center shaft that is curved in conformity with a shape of the edge of the window;
• and
• a rotatable rod that receives the center shaft therethrough and is connected to a base end of the blind sheet, wherein the center shaft extends within the rotatable rod along the entire length of the rotatable rod;
• the rotatable rod is curved in conformity with the curved shape of the center shaft and is rotatable around the center shaft;
• the rotatable rod includes a plurality of cylindrical center rods and a plurality of joints;
• each joint connects between corresponding two of the plurality of center rods;
• each of opposed ends of each center rod has at least one engaging projection, which projects from the end of the center rod in a direction parallel to an axial direction of the center rod;
• and
• each of opposed ends of each joint has at least one engaging recess, each of which is engaged with a corresponding one of the at least one engaging projection that is provided in an adjacent one of the ends of a corresponding one of the plurality of center rods.