To provide a slot machine using a game ball whose check and maintenance works, and the like, are easily performed without any trouble in the operability of a game operating means to be operated to advance a game.
This slot machine using the game ball includes on the front surface: a game ball storing part which is formed to be protruded forward and stores the game ball to be used for setting a bet number; and a projecting part 7 having the game operating means 38, 40L, 40C, 40R. A maintenance opening part 920 which communicates with the inner part of the projecting part 7 so as to maintain the game operating means 38, 40L, 40C, 40R from the inner part of the projecting part 7 is formed on the front surface in the neighborhood of the arrangement positions of the game operating means 38, 40L, 40C, 40R in the projecting part 7. The opening part 920 is clogged by a clogging member 922.
TSUTSUI HIROYUKI
Hideo Shimizu
Yuichi Takagi
Kazuki Hidaka
Tomoko Watanabe