| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine for which a machine kind is changed accompanying the change of an input operation at a low cost. SOLUTION: On the front surface frame 14 of a Pachinko game machine, a through port 14d formed through to the front surface side of a game board 16 forming a game area is provided, and a switch unit 120 is detachably attached at the arranged position of the through port 14d. Thus, while two upper and lower buttons 121 and 122 are used for a game in the Pachinko game machine 10, just by attaching a switch unit to which only one button is attached or the like instead of the switch unit 120 to the front surface frame, it is changed to the machine kind requiring different input operations while sharing an inner frame 13 and the front surface frame 14. Thus, two or more kinds of the machine kinds of the different input operations are manufactured at a low cost. COPYRIGHT: (C)2005,JPO&NCIPI
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