| 摘要 |
PROBLEM TO BE SOLVED: To provide plankings easily connected to one another and easily replaced when needing to replace one of a large number of plankings connected to one another. SOLUTION: A recessed part 2 and a projecting part 3 are formed at each side of a square plate body 1. The plate body 1 is provided with plate body side pin insertion paths 4 penetrating along the sides formed with the recessed parts 2, and a projecting part side pin insertion path 5 is provided penetrating each projecting part 3. A pin body part 7 of a lock pin 6 is slidably inserted through the plate body side pin insertion path 4 over a connected position and a storage position. A part of the plate body side pin insertion path 4 is formed as an open groove 4a opened to a plate body surface 1a, and the open groove 4a is provided with a first lateral groove 9 and a second lateral groove 10. In the engaged state of the recessed part 2 and the projecting part 3, the pin body part 7 of the lock pin 6 is slid into the connected position to connect the adjacent plate bodies 1, 1 to each other. COPYRIGHT: (C)2008,JPO&INPIT
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