| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to safely and efficiently carry out a joblike maintenance of a game board and a support member for supporting the game board and a rotary door and to realize reduction of costs and improvement of the main body base strength by compacting the support member. SOLUTION: The support member 30 is composed of a support part 32 and a rotation prevention part 33 and is formed along the side face of a game board 13. The support part 32 is provided with a first upper bearing 38 and a first lower bearing 39. The game board 13 is provided with a first upper shaft 41 and a first lower shaft 42. The first upper shaft 41 is inserted into the first upper bearing 38 and the first lower shaft 42 is inserted into the first lower bearing 39. Thus, the game board 13 is fitted in the support member 30 in an attachable/detachable and rotatable manner. COPYRIGHT: (C)2008,JPO&INPIT
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