PROBLEM TO BE SOLVED: To provide a blind having a simplified structure and easy connection work of a plurality of head boxes. SOLUTION: A blind 100 has first and second headboxes 120 and 130 that suspend and support first and second louvers 110-1 and second louvers 110-2 operated by a first rotating shaft 122. A plurality of adjacent rotating shafts 122 are installed side by side, and a connecting mechanism for interlocking the first rotating shaft 122 provided in the first headbox 120 and the second rotating shaft 132 provided in the second headbox 130 is provided. The first rotary shaft side joint portion 142 provided on the first rotary shaft 122 and the second rotary shaft side joint portion 152 provided on the second rotary shaft 132 are provided, and the first rotary shaft side joint portion 142 has. By moving in the axial direction, it is possible to switch between a connected state connected to the second rotating shaft side joint portion 152 and a non-connected state not connected to the second rotating shaft side joint portion 152. [Selection diagram] FIG. 10
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