JPS6429412U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is an exploded perspective view of the above water drain plate, Figure 3 is a sectional view showing the construction state of the above water drain plate, Figure 4 is a sectional view of the above water drain board, and Figure 5 is the function of the above water drain plate. Explanatory drawings, FIG. 6 is a front sectional view showing the construction state of the side draining board, FIG. 7 is a side view of the same as above, and FIG. 8 is a sectional view of the lower end of the side draining board, and FIG. Figure 9 is an explanatory diagram of the function of the side drain plate same as above.
FIG. 10 is a perspective view of the water drain plate, and FIG. 11 is a cross-sectional view of the same water drain plate. 1...Lighting window, 2...Water drain board, 3...Water drain board, 4...Side drain board, 5...Tile.

Claims (1)

[Scope of utility model registration request] Lay an above-water drain board, a below-water drain board, and a pair of side drain boards on the above water side, below water side, and both side edges of the lighting window, respectively, and connect both ends of the above water drain board to the above water side end of the side drain board. Place the bottom end of the side draining board on top of both ends of the bottom draining board, and stack the top tiles and side tiles on top of the top draining board and the side draining board. The drainage structure for the lighting windows is made by laying drainage boards on top of tiles on the lower side of the water.