Patent ID: 6944960

Claim:
A crayon sharpener comprising: a cavity which is composed of a cylindrical section and a conical section joining together and the diameter of the opening of the cylindrical section is in the range of 9.0 mm to 12.0 mm and the length of the cavity is in the range of 10.0 mm to 15.0 mm with the length of the cylindrical section in the range of 5.0 mm to 8.0 mm and the length of the conical section in the range of 5.0 mm to 8.0 mm; a stopper which forms one united body with the cavity, with one end of which in plane form facing the converging tip of the conical section with a distance in between; a blade which is fixed onto the crayon sharpener at an angle corresponding to the cavity and the stopper; a connecting shaft, which forms one united body with the cavity at the other end of the stopper with a hole in it.