| 摘要 |
PROBLEM TO BE SOLVED: To enable extension, making adjustment to the size of a box to be arranged. SOLUTION: This is a channel base for arranging a box, and is provided with a basic module 1 formed by providing leg portions 11 to be erected on a floor surface, and a beam portion 12 of the basic module supported by the leg portions 11, and an extension module 2 formed by providing leg portions 21 to be erected on the floor and a beam portion 22 for the extension module whose tip portions in the direction of extension is supported by the leg portions 21. The extension module 2 is extended from the side of the basic module 1, by causing supporting portions 11e, 21e formed on the leg portions 11, 21 adjoining on the side of the fundamental module 1, to support its extended base end parts. |
