| 摘要 |
PURPOSE: A bulletin board for enabling a user to post papers by moving a rod up and down by using a lever is provided to prevent the risks and inconvenience of a conventional bulletin board. CONSTITUTION: In a basic bulletin board main body (100) and a rod (120), grooves are formed. Pieces of paper are inserted into the grooves. A wheel is formed on the backside of the rod. The wheel is disposed in a rail (110) adhered to the bulletin board, and is adjusted up and down by using a lever (130) which is disposed next to the rod. |
