| 摘要 |
A device comprising a rotatable body (5,21,30) and means for connecting the body (5,21,30) to the axis of rotation (6,22,31) these means comprising a first fastening zone (11,25,33), in which the body (5,21,30) is rigidly connected to the axis of rotation (6,22,31), and a second fastening zone (8,24,34), at a distance from the first fastening zone (11,25,33), in which the body (5,21,30) can be positioned relative to the axis of rotation (6,22,31) by means of set screws (12,26,35). |
