Patent ID: 6840847

Claim:
A device for polishing digital storage discs having the features below: a polishing plate ( 14 ) rotatably driven about a vertical axis the upper side of which has a polishing cloth, wherein: the polishing cloth is interrupted by a ring-shaped recess ( 18 ) concentric with the axis of the polishing plate ( 14 ), at least one circular load-applying plate ( 16 ) from the planar lower side of which a projection ( 32 ) centrally protrudes to appropriately engage the central hole of the storage disk, a roller holder ( 28 ) which has at least one idling roller ( 36 ) and one driven roller ( 38 ) against which the circumference of said load-applying plate ( 16 ) gets into engagement when said plate said is carried along while lying on said polishing plate ( 14 ), wherein: the position of said rollers ( 36 , 38 ) is such that the projection of said load-applying plate ( 16 ) is located above said ring-shaped recess ( 18 ) when said load-applying plate ( 16 ) bears on the rollers ( 36 , 38 ), a drive ( 44 ) for said driven roller ( 38 ), and mechanism for feeding a polishing medium to said polishing cloth.