Patent ID: 7922256

Claim:
A round shank chisel ( 30 ) with a shank ( 31 ), wherein the shank ( 31 ) is rotatably maintained in a clamping sleeve ( 10 ), the clamping sleeve ( 10 ) has at least one inwardly projecting holding element ( 16 , 17 , 18 ) which engages a circumferential groove ( 39 ) cut into the shank ( 31 ) of the round shank chisel ( 30 ), the clamping sleeve ( 10 ) is fixed in an axial direction on the shank ( 31 ) of the round shank chisel ( 30 ) so that the clamping sleeve ( 10 ) cannot be shifted, each of the at least one holding element ( 16 , 17 , 18 ) is arranged in a center transverse plane ( 38 ) of the clamping sleeve ( 10 ) or a same axial distance from the center transverse plane ( 38 ), and the clamping sleeve ( 10 ) is attachable to the shank ( 31 ) of the round shank chisel ( 30 ) in two axial positions rotated by 180° around a longitudinal axis ( 19 ), and is selectively fixable in place in one of the two positions, the clamping sleeve comprising: the holding elements ( 16 , 17 , 18 ) spaced apart by two parallel punched edges ( 20 , 21 ) oriented transversely with respect to the longitudinal axis ( 19 ) of the clamping sleeve ( 10 ) and are inwardly punched or pressed, and the punched edges ( 20 , 21 ) extend over a portion of a circumference of the clamping sleeve ( 10 ) and have a distance from each other which is equal to or less than a width of the circumferential groove ( 39 ) in the shank ( 31 ) of the round shank chisel ( 30 ).