Patent ID: 6981496

Claim:
A point chisel for use with a power tool, comprising a power tool side formed as a shank ( 2 ) for securing the chisel to the power tool; and a workpiece side adjoining the power tool side and forming working region having a cross-section inscribed in a circle ( 3 ) being provided at a workpiece end thereof with a chipping tip ( 3 ′) and having a core along an entire longitudinal extent thereof, the working region ( 3 ) having an outer diameter (H) tapering along a substantially entire axial extent thereof toward the workpiece end thereof and having a cross-section ( 5 ) formed as a concave polygon by a plurality of axial grooves ( 4 ) extending axially over substantially the entire longitudinal extent of the working region and up to the chipping tip ( 3 ′) and radially toward the core of the working region, wherein a core diameter (K) likewise tapers toward the workpiece end of the working region ( 3 ) along a substantially entire axial extent of the core, whereby cross-sectional surfaces of the cross-section ( 5 ) of the working region are similar in different cross-sectional locations (I, II, III, IV, V) of the working region.