| 摘要 |
PROBLEM TO BE SOLVED: To simplify the construction by connecting together long main members spacedly provided in parallel through a connecting piece part, and placing the leg parts on the lower part of the connecting piece in a drain ditch. SOLUTION: A plurality of long main members 1 provided in parallel at regular intervals are connected together through a connecting piece part 2, leg parts 21 are extendingly provided on the lower part of the connecting piece part 2, and guide pieces 22 are downward projecingly provided nearby both ends of the leg parts 21. Next, into receiving cylinder parts provided nearby both ends of the leg parts 21, short post-like members made of rubber are inserted, and hence duckboards A for drain ditch are constituted. In the case of using the duckboards A, when the duckboards A are placed in a drain ditch provided on the side of the wash place floor of a bathroom, the leg parts 21 of the duckboards A are placed on a duckboards placing face on the side of the drain ditch, the short post-like members made of rubber are placed on the duckboards placing face, the guide pieces 22 contact with the side of the drain ditch, and hence the duckboards A are used in the stable condition without recklessly moving. Hereby, the duckboards can be made simple in construction, lightweighted, and reduced in cost.
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