发明授权
- 专利标题： Mechanism for sharpening a writing instrument
- 专利标题（中）： 磨削书写工具的机制
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申请号： US09611323申请日： 2000-07-06
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公开(公告)号： US06397480B1公开(公告)日： 2002-06-04
- 发明人: King Biu Mak , Chung Yin Ronald Mak , Chung Ming Mak
- 申请人： King Biu Mak , Chung Yin Ronald Mak , Chung Ming Mak
- 主分类号： B43L2306
- IPC分类号： B43L2306
摘要：
A pencil sharpener (10) is disclosed as including a body (12) with a hole (22) for receiving an end of a pencil, a cutting blade (24) secured to the body (12) for sharpening the pencil, and a stopper (30) movable relative to the body (12) to vary the length of the end of the pencil which may be received into the hole (22).
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