| 摘要 |
PROBLEM TO BE SOLVED: To provide a double flooring structure which can easily and accurately bore a work hole for inserting a jig for height adjustment in a floor panel, which enables additional height adjustment after execution, which can change an attachment position of a supporting bolt arbitrarily and easily, and which can provide a thin finishing material on the floor panel after the floor panel has been executed. SOLUTION: The double flooring has a structure consisting of the floor panel and a support bearing the floor panel from a lower position. Then the support comprises at least the supporting bolt, a base and an engagement pedestal. The supporting bolt enables the height of the floor panel to be freely changed, and the base is arranged on a floor ground and bears the supporting bolt. Then the engagement pedestal is provided at the upper end part of the supporting bolt and supports the floor panel. Then a through hole in which the supporting bolt is inserted is provided to the engagement pedestal, and the supporting bolt borne by the base is turned from above the through hole. Thus, the distance between the top surface of the engagement pedestal and the floor ground becomes possible to be changed, and indentations are provided to the points on the top surface of the floor panel where the virtual extension lines intersect one another. COPYRIGHT: (C)2006,JPO&NCIPI
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