| 摘要 |
A double floor system light in weight, simple to install, and easy to control in wiring. A plurality of octagonal base units (1) are disposed on a sheet laid on a floor surface, and base units (1) are joined to one another by corner units (2) and channel units (3); when joining base units, inserting tenons (26, 37) formed on the corner units (2) and channel units (3) are inserted into mortices (13a, 13b) formed in base units (1) via openings (17a, 17b) in a cushioning sheet (17) formed on the mortices (13a, 13b). |
