| 摘要 |
PROBLEM TO BE SOLVED: To provide a vertical blind for preventing light leakage from both side ends and improving the heat insulation property of an aperture.SOLUTION: At least one of end louvers 14a arranged at both side ends of a head rail 10 is held at an angle perpendicular to the head rail 10 when the other louver 14 rotates to a fully closed state. |
