Patent ID: 6929538

Claim:
A power tool with a clamping device for axially securing a disc shaped tool, comprising: a housing ( 12 ); a spindle ( 3 ) with thread; a disc shaped tool ( 5 ); a clamping device ( 8 ) and a flange ( 2 ) are respectively disposed on each side of said disc shaped tool ( 5 ) which is clamped therebetween, said clamping device ( 8 ) or said flange ( 2 ) is connected to said spindle ( 3 ) by thread; wherein: said clamping device ( 8 ) comprises a first clamping part ( 13 ) and a second clamping part ( 1 ), an elastic element ( 7 ) being disposed between said first clamping part ( 13 ) and said second clamping part ( 1 ) and providing a clearance ( 16 ) between said first and second clamping parts, a first clamping contact surface ( 17 ) formed on said first clamping part ( 13 ), a second clamping contact surface ( 18 ) formed on said flange ( 2 ), said disc shaped tool ( 5 ) being clamped between said first clamping contact surface ( 17 ) and said second clamping contact surface ( 18 ), said first and second clamping contact surfaces ( 17 , 18 ) contact with said disc shaped tool when said clamping device is in its operating position, an anti-rotating structure is disposed between said first clamping part ( 13 ) and said second clamping part ( 1 ).