| 摘要 |
PURPOSE:To smoothly perform wiring with respect to various kinds of and numerous underfloor wirings by placing a floor base unit in a space surrounded by a floor base and four pillars and forming two layers of the upper and the lower. CONSTITUTION:A floor base unit is placed in a space surrounded by a floor base 1 having a plurality of pillars 12... supporting a floor panel and the four pillars among the pillars 12... Cuts 51, 51 are provided on the four corners of the floor base unit and separators 4, 5 are provided while hinges 52, 52 are provided at a intermediate part to be folded in an angle. By extending and engaging the cuts 51, 51 with parts of outer peripheral faces of the pillars 12..., two wiring layers of the upper and lower layers are formed in the space surrounded by the four pillars 12.... Thus wiring layers can be easily laminated in an optional space between the floor panel and a base floor B. |
