| 摘要 |
PROBLEM TO BE SOLVED: To facilitate maintenance work in the case of breakdown of a swinging motor by freely attachably/detachably fitting a housing case housing the swinging motor for eliminating the aggregation of game balls on the lower side of the bottom plate of a main body container with respect to a game ball tank installed on the rear face of a pachinko machine. SOLUTION: The main body container of a game ball tank 4 is provided with an outer tank 11 and an inner tank 10 fit-installed inside of it and an engaging wing 13 is protruded on the side surface of the inner tank 10. Concerning the outer tank 11, a part adjacent to the game ball flowing down path 17 of the bottom plate 30 is made to be a raised bottom, thereby a motor housing area is formed and the housing case 27 housing the swinging motor 26 is freely attachably and detachably fitted in this motor housing area. The motor 26 rotates an eccentric wheel 53 by its operation to oscillate the outer tank 11 to prevent aggregation of the game balls in the tank. In addition the bottom plate 30 at a part on the left back side of the outer tank 11 is also raised to fit a full tank switch 36.
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