| 摘要 |
ol., ukndjusting pencil sharpener provided with a cutting edge, and more particularly a self-adjusting pencil sharpener having a pencil sharpener body provided with a pencil inserting bore (3) and a cutting edge (2) attached to the pencil sharpener body, characterized in that a biasing member (4) for biasing automatically the axis of a pencil is provided in the pencil inserting bore (3). The self-adjusting pencil sharpener according to the present invention enables the manual adjustment function of a conventional pencil sharpener to be automated by a very simple construction and a pencil to be sharpened to a predetermined lead length with the aid of a lead-length adjusting member (5 or 5'). The pencil sharpening function of the present invention is thus greatly improved, and an excellent cutting effect can be obtained. |
