发明名称 |
EXPANDING AND CONTRACTING TYPE BOOKEND |
摘要 |
PROBLEM TO BE SOLVED: To provide an expanding and contracting type bookend with which books can be prevented from being displaced and falling down like a lot of ninepins by utilizing expansion and contraction and a repulsion force of an elastic body and filling a space between the books and a book shelf. SOLUTION: The expanding and contracting type bookend in which stoppers (2) and (3) are provided on both ends of the elastic body (1) is provided.
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申请公布号 |
JP2003102563(A) |
申请公布日期 |
2003.04.08 |
申请号 |
JP20010341255 |
申请日期 |
2001.10.01 |
申请人 |
MIZUNO YUZO |
发明人 |
MIZUNO YUZO |
分类号 |
A47B65/00;G01N21/95;G11B7/004;G11B7/085;G11B7/26;(IPC1-7):A47B65/00 |
主分类号 |
A47B65/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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