| 摘要 |
The invention concerns a cylindric drum for a sanding/polishing tool which in its drum surface is provided with a number of undercut axial grooves for mounting one or more axially displaceable sanding elements, where an annular groove has been provided either in the drum surface or a shaft perpendicularly to the rotational axis of the cylindric drum and along the periphery of either the surface of the drum or the surface of the shaft, that a stop means has been arranged for accommodation in the annular groove in an axially fixed position, where at least a part of the stop means abuts on end faces of the moldings of the sanding elements mounted in the axial undercut grooves.
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