Patent ID: 7360566

Claim:
A pencil sharpener comprises: a pencil sharpener body having an emplacing groove; a front pencil selector panel including: a plurality of different sizes of pencil selecting openings at a front side of the front pencil selector panel; and an annulus groove at a back side of the front pencil selector panel, the annulus groove surrounding the pencil selecting openings; wherein the front pencil selector panel is mounted on the emplacing groove of the pencil sharpener body, and a pencil receiving opening and a plurality of pawls are located in the emplacing groove; a blade inside the pencil sharpener body for sharpening a pencil; a trigger switch located inside the pencil sharpener body and adjacent to the pencil receiving opening; a trigger located within the annulus groove, the trigger moving along an inner wall of the annulus groove to drive the trigger switch to move linearly when the front pencil selector panel is rotated such that a selected one of the pencil selecting openings faces the pencil receiving opening.