| 摘要 |
A BOX (10) IS ARRANGED SUBSTANTIALLY PERPENDICULARLY. AN UPPER PANEL 11, INTERMEDIATE PANEL (12) AND LOWER PANEL (13) ARE ARRANGED SUBSTANTIALLY PERPENDICULARLY IN PRESCRIBED POSITIONS OF THE FRONT FACE OF THE BOX. THE INTERMEDIATE PANEL (12) IS SUPPORTED BY MEANS OF A HINGE UNIT (14) ARRANGED IN THE INTERIOR OF THE BOX (10). THE HINGE UNIT IS CONSTRUCTED SO AS TO ROTATE THE INTERMEDIATE PANEL (12) FORWARDLY ABOUT ONE SIDE EDGE AFTER THE INTERMEDIATE PANEL (12) HAS BEEN MOVED FORWARDS. |
