| 摘要 |
PROBLEM TO BE SOLVED: To heighten the game players'interest by enlarging or reducing the drum unit. SOLUTION: In the drum unit 20 equipped with an inner rotary body 30 set rotatably, an outer rotary body 40 set rotatably and along the periphery of the inner rotary body 30 and the plural number of picture symbol parts 71-78 set along the periphery of the outer rotary unit 40, the drum unit is either enlarged or reduced by changing the relative rotational angles of the inner rotary body 30 and the outer rotary body 40 and thus varying the distance from the rotational center axis of the picture symbol parts 71-78. COPYRIGHT: (C)2008,JPO&INPIT
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