发明名称 |
Mini hole punch to be carried in school bag or briefcase, comprising single spring supported punching element and stops for using at folded sheet |
摘要 |
The mini punch is assembled of a basic body (1) and a control button (2) joined to the upper end of the single punch element (3) enveloped by a helical spring (4) and stepped in order to be kept inside the bore (1e) provided at the body (1). For punching two holes the sheet has to be folded and pushed against a stop (1b) located at the upper surface of the base.
|
申请公布号 |
DE10140933(A1) |
申请公布日期 |
2003.02.20 |
申请号 |
DE20011040933 |
申请日期 |
2001.08.10 |
申请人 |
KLEINSCHROT, ROLF;WUNDERLICH, GERD |
发明人 |
|
分类号 |
B26F1/36;(IPC1-7):B26F1/36 |
主分类号 |
B26F1/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|