| 摘要 |
PROBLEM TO BE SOLVED: To provide a lifting/polishing device capable of reducing the number of cleaning operations of a polishing material.SOLUTION: The lifting/polishing device for use in a game machine island in which a plurality of game machines are aligned, comprises: water supply means for moisturizing a polishing material with water; transfer means that includes a cylindrical body erected in the game machine island, and a screw member disposed inside the cylindrical body, upwardly transfers, by a screw member, game media used in the respective game machines and the moisturized polishing material, with their mixed inside the cylindrical body, and discharges the game media, the polishing material and contamination components including contamination separated from the game media, from the upper part of the cylindrical body; separation means that separates the discharged game media, polishing material, and contamination component respectively; and a return passage that guides the polishing material from the separation means via the water supply means to the transfer means. The screw member has a surface subjected to the surface roughing. |
