SHUTTER DEVICE FOR VEHICLE

A shutter device includes a frame member, a plurality of blades, an actuator device, and an auxiliary member. The frame member is formed in a casing shape, and air introduced from a front opening of the vehicle flows through an inside passage of the frame member. The blades are supported by the frame member in a rotatable manner, and open and close space within a casing of the frame member. The actuator device opens and closes the blades. Auxiliary member is assembled to the frame member to assist a blades supporting function of the frame member.