| 摘要 |
<p>The Pencil Cap-Sharpener comprises a casing (1) formed around its axis of a conical cavity, a slit for the waste and a chute (7) in which blade (2) is fitted. At the lower end, on the internal side, the cap has a thicker ring (4) for holding the pencil. The conical cavity (5) of casing (1) goes into cylindrical cavity (10) in point (9) for sharpening the graphite. Blade (2) is in the form of a sharpened plate on one side, fabricated with sharpened ends. Bracket (3) fixes blade (2) and has a cylindrical and a rectangular part. 2 claims, 8 figures</p> |
