Pencil Sharpener
    4.
    发明申请
    Pencil Sharpener 失效
    卷笔刀

    公开(公告)号:US20110041956A1

    公开(公告)日:2011-02-24

    申请号:US12938035

    申请日:2010-11-02

    IPC分类号: B27M1/00 B43L23/00 B23Q15/00

    摘要: A pencil sharpener that facilitates the sharpening of pencils by any one or more of the following: preventing injury; automatically sharpening pencils without manual manipulation; providing status indicators during sharpening; and/or allowing varying degrees of sharpness to be selected.

    摘要翻译: 一种铅笔刀,可以通过以下任何一种或多种方法来削尖铅笔:防止伤害; 自动锐化铅笔,无需手动操作; 提供锐化状态指标; 和/或允许选择不同程度的清晰度。