| 摘要 |
A pencil sharpener is disclosed. The pencil sharpener comprises: a housing part which has an accommodation space thereinside with an open portion formed on one side thereof, and in which a first coupling member is formed on an inner side surface thereof; and a pencil sharpening part which is inserted into the accommodation space of the housing part, has a second coupling member corresponding to the first coupling member formed on an outer side surface thereof, and has a knife blade part thereinside, wherein a pencil inserted into the pencil sharpening part is sharpened by the knife blade part as at least one area of the pencil sharpening part is rotated by the first coupling member and the second coupling member as the pencil inserted into the pencil sharpening part makes a straight-line motion in the lengthwise direction of the housing part. |
