| 摘要 |
PROBLEM TO BE SOLVED: To obtain a unit structure that is used, for example, as a display device and enables installation and maintenance to be performed safely and simply. SOLUTION: The unit structure has a unit 10 having a vertical hook rack 13 and a horizontal hook rack 14, a vertical shaft 15 having a vertical hook 17 engaged with the vertical hook rack 13 of the unit 10, and a horizontal shaft 16, having a horizontal hook 18 engaged with the horizontal hook rack 14 of the unit 10. The unit structure enables the unit 10 to be fixed or unfixed by rotating or sliding the vertical shaft 15 and the horizontal shaft 16. Consequently, only the unit 10 at the vertical and horizontal intersection can be fixed or unfixed, by preparing a plurality of units 10 and also preparing a plurality of the vertical shafts 15 and the horizontal shafts 16, and by arranging them in the form of grating. COPYRIGHT: (C)2009,JPO&INPIT
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