Patent ID: 7389588

Claim:
A semi-automatic pencil sharpener comprising a sharpening body and a blade; the sharpening body has a conical bore with a through slot for allowing shavings to go out; and the blade is disposed outside the sharpening body on one side of the shavings through slot; wherein an external housing is disposed outside the sharpening body; the external housing comprises a pencil fixation casing and a rotation casing which can rotate relative to the pencil fixation casing; the pencil fixation casing and the rotation casing are rotatably engaged with each other; the pencil fixation casing comprises an external casing, a rubberized fixing sleeve and an inner casing; the inner casing is securely engaged with the external casing and the rubberized fixing sleeve; one end of the external casing has an opening; the rubberized fixing sleeve is inserted into the opening; the center of the rubberized fixing sleeve has a throughhole and the diameter of the throughhole is smaller than the diameter of a pencil.