| 摘要 |
A rotary drum comprising a bearing ring loosely arranged on the drum shell and spacer plates arranged between the ring and the shell, a pair of elements for axially holding a spacer plate in position being provided at one end of each spacer plate, one retaining element being arranged on the drum shell and the other retaining element being arranged on the spacer plate. This construction enables the spacer plates to be readily replaced and the radial clearance to be changed without any need to loosen a retaining element fixed on the drum shell. |
