| 摘要 |
A pencil sharpener that has a strong clamping force, does not leave marks on the surface of the pencil due to clamping, and is easy to manufacture. The pencil sharpener includes a housing having a pencil insertion hole and a plurality of pivot parts arranged in a concentric circle around the pencil insertion hole, a frame body having a plurality of arc-shaped grooves, and a plurality of cam-shaped members that are pivotably attached to the pivot parts. When the frame body pivots, the cam-shaped members relatively move while being guided by the grooves, and their distal ends swing in a direction in which they move closer to or away from an insertion hole, and thereby a pencil that has been inserted is fixed or released.
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