| 摘要 |
PURPOSE: A flute is provided to be used not only by children but also adults by assembling key assemblies for children and adults. CONSTITUTION: A flute comprises a body joint(120) and a key assembly for children(140). A main key(141) which opens and closes a hole(131) of the body joint is elastically installed. An auxiliary key piece(143) is formed in a key piece(142) of the main key so that the key assembly for children is constituted. |
