| 摘要 |
PURPOSE: A no no cup Is provided to prevent staying dust and water molds by fixing a sanitary cup upside down. CONSTITUTION: A no no cup comprises a fixing bar, a fixture with groove, a fixture with magnets, a cup with a groove and a magnet, a clamping nut. An entrance of the cup is installed downwardly. A method for putting a cup upside down uses a groove in a principle of opening and closing of a pen lid. The no no cup is easy to attach and detach by using a magnet. |
