| 摘要 |
PROBLEM TO BE SOLVED: To provide a mah-jong ball game machine configured to secure such a storage space as to prevent the loss of a bottom plate while efficiently storing the bottom plate detached from a receiving box in the space. SOLUTION: The mah-jong ball game machine comprises the receiving box 60 for receiving game tokens overflowing from a hopper unit, and the bottom plate member 62 forming the bottom of the receiving box 60. The mah-jong ball game machine also has a holder member 63 in a game machine body for holding the bottom plate member 62 detached from the receiving box 60. With this structure, the bottom plate member 62 forming the bottom of the receiving box 60 can be efficiently stored in the space inside the game machine body without additionally securing the space for storing the bottom plate member outside the game machine body. COPYRIGHT: (C)2009,JPO&INPIT
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