| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a ball polishing device for game machines of a type incorporated in a game machine capable of exerting an excellent cleaning function without impairing a degree of design freedom in the game machine.SOLUTION: A ball polishing device 1A includes: a ball conveyance path 10 for linearly conveying Pachinko balls 100; a motor-drive type spiral conveyance shaft 30 that is formed by forming a spiral ball feed groove 300 around an outer peripheral surface of a columnar member, in which rotary axial lines are parallel disposed along the ball conveyance path 10, and that conveys the Pachinko balls 100 in the ball conveyance path 10; and a cleaning member 4A disposed at a mid-flow of the ball conveyance path 10 to expose a cleaning surface 41 with which the Pachinko balls 100 come into contact. The ball conveyance path 10 is vertically disposed so as to vertically convey, by the turning of the spiral conveyance shaft 30, the Pachinko balls 100 entering the ball conveyance path 10 and having parts thereof buried in the ball feed groove 300, and clean them, with their sliding on the cleaning surface 41.</p> |
