| 摘要 |
PROBLEM TO BE SOLVED: To avoid a condition where an opened curtain is half-opened. SOLUTION: A cam rail 23 is projected on a channel wall 26 of an inner space 27 of the end part of a curtain rail to which runners are fitted, and the first inner channel 41 pinched by a guide rail 24 framing a running channel a cam rail and the second inner channel 42 pinched by a channel bottom 25 connecting left and right channel walls and the cam rail are set in the inner space. The distance between the cam rail and the guide rail 24 is gradually increased as the terminal end of the curtain rail approaches. The runners are two kinds, namely, the first runners each with the first head part 31 fitting to the first inner channel and further the second runners each with the first head part and the second head part 32 fitting to the first inner channel 41.
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