| 摘要 |
PURPOSE: A safety knife for writing supplies is provided to form the body of a blade thickly and form the blade at a safety angle of 65 to 84 degrees, thereby preventing the hand or body of a user from being injured even when the user touches the blade. CONSTITUTION: A safety knife for writing supplies(10) comprises a blade(11) and a blade body(12). The blade has a cutting part. The blade body comprises the blade. The blade body is composed of an upper surface, a lower surface, and an inclined surface. The blade is formed at the angle of the inclined surface formed between the lower surface and the upper surface. The angle of the inclined surface is in a range of 65 to 84 degrees. |
