| 摘要 |
PURPOSE: A both-sided safety pin is provided to suggest a strong and convenient of the structure of the safety pin by forming the safety pin into both sides. CONSTITUTION: A both-sided safety pin is constituted as follows. The pin is formed to have both sides and allows more efficient function than that of a general clothes pin. The sharp pin(12) is hung on a protection unit(30) when the pin is inserted into both sides. |
