| 摘要 |
PROBLEM TO BE SOLVED: To exchange an already used curtain with a new one while keeping privacy inside the curtain in a hospital or the like. SOLUTION: When both the ends of two curtain rails 1a and 1b being arranged in parallel each other are connected in a U shape in an endless shape, a used curtain 5A is exchanged with a new one 5B, the curtain 5B is suspended at the side of the curtain rail 1b, the left-end hook of the curtains 5A and 5B is hooked to a same suspension ring 3a, the right end of the curtain 5A is held and pulled to the side of the curtain rail 1b (clockwise in figure), thus moving the curtain 5A to the side of the curtain rail 1b through the U-shaped part at the right side, and at the same time pulling the curtain 5B toward the curtain 5A for passing though the left-side U-shaped part and moving to the side of the curtain rail 1a. In this case, the hook of the curtain 5A is removed from the suspension ring 3 for collection.
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