| 摘要 |
PURPOSE: An independent kickboard is provided to prevent the kickboard from falling down by installing a presser foot in a foothold. CONSTITUTION: An independent kickboard comprises a foothold and a presser foot. The presser foot is installed in the front wheel part of the foothold. When the kickboard is stopped, the presser foot is vertically positioned to stop the kickboard. The presser foot prevents the kickboard from falling down. |
