| 摘要 |
PROBLEM TO BE SOLVED: To provide a water cutoff plate device capable of extremely simplifying even construction work, without restriction on an installation place, without dropping in a person as usual in use time or without causing a step different of capturing a foot, by dispensing with labor and time required for securing and transporting a storage place of a water cutoff plate.SOLUTION: This is a device 1 installed in the doorway 10 of a building structure and having a water cutoff plate 2 capable of manually rising-up/falling-down, and comprises a storage groove 3 formed on the directly outside of the doorway 10 and having an opening part with a cover 6 of becoming substantially flush with a floor surface 9 of the doorway 10, and the water cutoff plate 2 has a first attitude of rising-up/falling-down in the storage groove 3 and a second attitude of standing-up by drawing near to the doorway 10 side by lifting the opposite side of the doorway 10.SELECTED DRAWING: Figure 1 |
