发明名称 Semi-automatic pencil sharpener
摘要 The present invention relates to a semi-automatic pencil sharpener comprising a sharpening body and a blade; the sharpening body has a conical bore with a throughslot for allowing shavings to go out; and the blade is disposed outside the sharpening body on one side of the shavings throughslot; an external housing is disposed outside the sharpening body; the external housing comprises a pencil fixation casing and a rotation casing which can rotate opposite to each other; the pencil fixation casing and the rotation casing are removably engaged with each other. The present pencil sharpener can be operated with one hand. It is convenient to use in comparison with available products and has a high degree of automation. Pencil shavings produced from pencil sharpening using the present invention can be stored in the pencil sharpener without falling out affecting hygiene. The present invention is therefore relatively easy to clean up and is environmental friendly. It also has the advantages of being small in size, easy to carry around and good for application.
申请公布号 US2007068013(A1) 申请公布日期 2007.03.29
申请号 US20050305028 申请日期 2005.12.19
申请人 LAU TUNG Y 发明人 LAU TUNG Y.
分类号 B43L23/00 主分类号 B43L23/00
代理机构 代理人
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