| 摘要 |
PROBLEM TO BE SOLVED: To prevent a game ball tank installation part from being damaged and the game balls from cohering even in the use for a long time by mounting the game ball tank for storing the game balls supplied from the holes on an upper part of a mechanism board in such a state that at least a part of the ball tank is locked on a middle frame. SOLUTION: A metallic middle frame 2 is mounted inside of an outer frame. A mechanism board 3 made of synthetic resin is mounted at the back of the middle frame 2 in a state that a part of its front surface is contacted with a rear surface of the middle frame 2. A game board is fitted and installed at a front surface side of a projecting area of the middle frame 2. A figure display device is installed on a center of the game board, and a rear part of the figure display part is backwardly projected from an opening of the mechanism board 3. Further, a game ball tank 4 for storing the game balls supplied from the pachinko holes is mounted on the uppermost part of the mechanism board 3.
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