| 摘要 |
PROBLEM TO BE SOLVED: To easily adjust a water level. SOLUTION: In a leader intake device for providing an intake device 5 in a leader 4 and guiding rainwater from the intake device 5 through an intake pipe passage to an outside water storage tank, the leader 4 is constituted of an upper leader 8 and a lower leader part 9 separated from the lower end of the upper leader 8. The intake device 5 is made a water collection tank 10 fitted outward between the lower end of the upper leader 8 and the lower part of the upper end of the lower leader part 9, which can be moved in the substantially vertical direction of the water collection tank 10.
|
