DEFLECTOR DEVICE

A deflector device includes: a deflector () that includes a deflector body () extending in a width direction of a vehicle and arm portions ()respectively connected to both end portions of the deflector body, and protrudes upward from a roof () as the deflector is turned in one direction, and is stored below the roof as the deflector is turned in the other direction; a biasing member () biasing the deflector in a turning direction where the deflector protrudes upward; and a stopper member () which is connected to the deflector such that the stopper member can be turned around the axial line extending in the width direction of a vehicle, and which maintains the position of the deflector, and whose fallen position is maintained by a housing () provided in a front edge portion of opening () in a state where the deflector is stored below the roof.