| 摘要 |
PROBLEM TO BE SOLVED: To increase abrassive power of coin polisher and polish evenly nook and corner of a coin by applying rotational and slidable motions to the coin, not only sliding traversly but also sliding in all directions. SOLUTION: At a position deviated from the inner circumferential surface 22 of a casing 4 by the distance equivalent to the diameter of a coin 23, an outer circumferential surface 11 having a fixed length and a slide face 12 extending radially from the center of a lower brushing portion 8 are provided. A coin guide plate 10 whose thickness is slightly thinner than the thickness of the coin 23 is provided, and the coin 23 is sandwiched between the outer circumferential surface of the coin guide plate 10 and the inner circumferential surface 22, so as to rotate the coin 23. |
