| 摘要 |
<P>PROBLEM TO BE SOLVED: To compose various board faces by easing restrictions on arrangement of game nails and accessories around a major winning hole on a game board. <P>SOLUTION: A major winning hole unit 80 provided in a game board body 60 includes an openable and attacker 81 opening and closing for covering the major winning hole 125, and a drive means for opening and closing the attacker 81. The game board body 60 includes an opening 63, where the attacker 81 can be opened and closed while the major winning hole unit 80 is being mounted, and the entire unit including the drive means cannot pass. Then, the major winning hole unit 80 is attached to the game board body 60 from a side of a rear surface 60b of the game board body 60, while the attacker 81 is fitted to the opening 63. <P>COPYRIGHT: (C)2013,JPO&INPIT |
