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.
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
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