Movable grille shutter for vehicle

A movable grille shutter (1, 101) for a vehicle, which is provided at a grille opening portion (6) through which ambient air is taken into an engine room (2), includes a first fin (11, 13, 110, 111, 112), a second fin (12, 14, 120, 121, 122, 123, 124) provided along a lengthwise direction of the first fin (11, 13, 110, 111, 112) in a manner that a predetermined angle (A) is formed between the first fin (11, 13, 110, 111, 112) and the second fin (12, 14, 120, 121, 122, 123, 124) in a manner that the first fin (11, 13, 110, 111, 112) and the second fin (12, 14, 120, 121, 122, 123, 124) are arranged to match a shape of the grille opening portion (6), a driving source (15, 130) for driving the first fin (11, 13, 110, 111, 112) and the second fin (12, 14, 120, 121, 122, 123, 124) for opening and closing the grille opening portion (6), and a universal joint (51, 52, 113, 114, 115, 125, 126, 127, 128, 129, 142, 143, 144, 145, 146, 147, 148, 149) provided between the first fin (11, 13, 110, 111, 112) and the second fin (12, 14, 120, 121, 122, 123, 124) for transmitting a driving force from the driving source (15, 130) to the first fin (11, 13, 110, 111, 112) and the second fin (12, 14, 120, 121, 122, 123, 124).