Patent ID: 6887142

Claim:
A grinding tool comprising a drive spindle ( 1 ) driven by a motor, in a working rotational direction (A), a tool receptacle ( 7 ) at a free end, a flange ( 2 ) non-rotationally disposed on the drive spindle ( 1 ) and a nut ( 3 ) threadable onto the free end ( 6 ) for clamping the tool ( 5 ) against the flange ( 2 ), wherein the tool ( 5 ) comprises a plurality of abrasive members 17 and wherein the tool receptacle ( 7 ) comprises an anti-rotation device that prevents a rotation of the tool ( 5 ) relative to the drive spindle ( 1 ) in the working rotational direction (A) of the drive spindle ( 1 ), wherein the anti-rotation device ( 4 ) is a spring element that pre-stresses the tool ( 5 ) towards the free end ( 6 ) of the drive spindle ( 1 ).