| 摘要 |
A free access floor structure which is able to prevent an adjustment stand and free access floor panels from rising, thereby significantly improving the reliability of the free access floor construction. The free access floor includes free access floor panels 14 and panel supports 32. The panel support 32 consists of an adjustment stand 24 having a placement stand 24 for placing thereon corners of the free access floor panels 14 and a tubular member 28 under the placement stand 26, and a support base which is fixed to a floor of a building and supports the adjustment stand 24 at a top thereof in a manner to freely adjust height of the adjustment stand. The support base is provided with a circular groove 40a formed around a surface of a screw rod member 40 in a circumferential direction, and the tubular member 28 of the adjustment stand 24 is provided with a screw hole 28a for allowing a tip of a male screw be engaged with the circular groove 40a.
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