To provide a slot machine using a game ball, which facilitates the replacement of devices, parts, and the like by model change, especially facilitates the maintenance of a variable display device relating to the progress of a game, in a state where a front door, a belt device, and the like are installed on a main body.
In the slot machine, when a variable display unit 903 locked with a decoration panel unit 904 through a first locking means 934a is installed at an installation portion 902 provided at a mechanism unit 901, the first locking means 934a is switched to an unlocking state by an unlocking means 951a to fix the variable display unit 903 to the installation portion 902 through a second locking means 937a, and the second locking means 937a is switched to an unlocking state from the locked state by a predetermined switch operation means 918 to open the decoration panel unit 904 with respect to the variable display unit 903.
Hideo Shimizu
Yuichi Takagi
Kazuki Hidaka
Tomoko Watanabe