PURPOSE: A blind device is provided to facilitate maintenance at a proper cycle and to improve convenient work for installing and repairing a blind in a narrow space. CONSTITUTION: A blind device comprises a door frame(30), an upper supporting part(40), and a lower supporting part(50). The door frame has a recessed hollow groove(32) for receiving an actuator(22) of a blind(20). The upper supporting part is coupled to the bottom of the recessed hollow groove and has a spiral hole in a body part. The lower supporting part has a through-hole in the body part to couple with the upper supporting part, and supports the actuator of the blind in both sides.
