| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a shutter device capable of exerting predetermined performance over a long period of time even under a poor environment.SOLUTION: The shutter device that opens and closes an opening of a blockage object body is configured to include: a frame 2 that is tilt-driven at a front face of the opening; and a shutter 4 that is rotatably linked to the frame 2 between an open position and a closed position like a hinged-door, and is moved to the open position by interfering with a contact body 3 during tilt-moving of the frame 2.</p> |
