| 摘要 |
PROBLEM TO BE SOLVED: To enjoy the fun and joy of producing a top by himself and to easily perform execution at a low cost by the small number of components and simple component constitution. SOLUTION: At the time of constituting the top 1 provided with a top body 2 and a top shaft 3 above and below the center of the top body 2, the top shaft 3 separated from the top body 2 is divided into an upper stem part 3u and a lower stem part 3d, a separately prepared disk-shaped top body 2 is clamped between the upper shaft part 3u and the lower shaft part 3d, and they are made attachable and detachable through a through-hole 2s provided on the top body 2. COPYRIGHT: (C)2005,JPO&NCIPI
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