发明名称 Easy storage precision screwdriver
摘要 An easy storage precision screwdriver comprises a handle, a cover disposed on one end of the handle, a post disposed on the cover and located in the handle, a pressing ring threaded on the other end of the handle, and a working post inserted into the handle and fixed by the pressing of the pressing ring. Since the handle and the post are defined with a containing hole and a through hole respectively, when the user releases the pressing ring, the length of the working post with respect to the handle can be adjusted, and one end of the working post can be inserted into the containing hole and the through hole of the handle and the post. Thereby the precision screwdriver of the present invention is miniaturized, and is easy to store.
申请公布号 US7305908(B2) 申请公布日期 2007.12.11
申请号 US20060557232 申请日期 2006.11.07
申请人 CHI LI-LIEN 发明人 CHI LI-LIEN
分类号 B25B23/16;B25B15/00 主分类号 B25B23/16
代理机构 代理人
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