| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a game ball polishing device using a polishing cassette accommodating a polishing member formed in a long endless belt shape, and enabled to elongate the service life of the polishing member.SOLUTION: A ball polishing device comprises: a transportation part for transporting balls; and a polishing cassette opposed to a ball transported by the transportation part and removably mounted. The polishing cassette includes a polishing member, a storage part for the polishing member, and polishing member sending means driven by drive means for moving the polishing member in the longitudinal direction. The polishing member is a polishing cloth formed into an endless belt shape by jointing the two end portions of belt-like woven cloth of a predetermined length.</p> |
