| 摘要 |
PROBLEM TO BE SOLVED: To prevent the action of fraudulently opening the door of a winning device and to enable only a person with a proper right to open the door, in a game machine including a front surface frame body for holding a game board, a clear member holding frame attached to the front surface of the front surface frame body and a frame locking device for locking the clear member holding frame to the front surface frame body, for performing a game by hitting a game ball to a game area. SOLUTION: The game machine includes locking arrangement 53 for locking a door member 80 in a closed state to make conversion to an open state impossible. The game machine includes a key link mechanism 160 for releasing locking by the locking arrangement 53 in linkage with the releasing operation of locking of the clear member holding frame 140 to the front surface frame body 130 in the frame locking device 131. COPYRIGHT: (C)2009,JPO&INPIT
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