| 摘要 |
PROBLEM TO BE SOLVED: To prevent jumping-out of an object from a drawer box as well as damage to an upper member when an excessive load acts. SOLUTION: Ribs 52, 53 projecting toward an opening of the drawer box 4 are formed on an outer bottom surface of the upper member 5 and, during pressure from the above, the rib 53 is brought into contact with a lower member 3. Because the ribs 52, 53 exist in between the upper member 5 and the drawer box 4, jumping-out of an object from the drawer box can be prevented. COPYRIGHT: (C)2008,JPO&INPIT
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