| 摘要 |
PROBLEM TO BE SOLVED: To prevent the spillage of game balls while preventing increase in the number of parts and manhour in the prevention of the dropping of prize balls almost shielding a plurality of openings when a front door is opened. SOLUTION: A prize ball discharge port stopper 200 is made up of a shutter mechanism member 201 which is mounted in front of an inner upper put-out port 119 for game balls and an inner lower put-out port 120 for game balls on the side of an inner frame 3, a protrusion 202 provided protrusively on the side of the front door 2 and a ball receiver 203. The shutter mechanism member 201 has a mounting frame 204, a shutter plate 206, tension spring members 207 and 208 and a link lever 209. Upper and lower regulation parts which are positioned on the front side of upper and lower discharge ports at the closed position to block the discharge of the game balls is formed on the shutter plate 206 while upper and lower communication parts which are positioned on the front side of the upper and lower discharge ports at the opened position to enable the discharge of the game balls to upper and lower trays are formed on it. COPYRIGHT: (C)2007,JPO&INPIT
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