| 摘要 |
PURPOSE: A pencil holder for releasing force is provided to install a rubber pad and a spring in a pencil when using a pencil, and to prevent braking pencil. CONSTITUTION: A pencil holder for releasing force in writing comprises a slip-preventing rubber pad(20), a body(10), and a spring(30). The slip-preventing rubber pad is installed in the lower part of the body. A groove(21) is formed on the lower part of a rubber pad to release fatigue on a hand of a user. The spring is compressed when pressing the pressure to the inner lower part of the body. A pressure degree at contraction can be shown by spring pressing through a graduated ruler. |
