Point chisel
AssigneeHilti Aktiengesellschaft
InventorsJozsef Szendrovari, Werner Britten, Jozsef Varga
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Abstract
A point chisel for use with a power tool includes an elongate stem (1) having, at its power tool side a shank (2) for securing the chisel in the power tool and, at its workpiece side, a useful region (3) having its outer diameter (H) tapering toward its workpiece end and having a cross-section (5) formed as a concave polygon by a plurality of axial grooves (4) extending radially toward a core diameter (K) that likewise tapers toward the workpiece side end of the useful region (3).
Claims12
A point chisel for use with a power tool, comprising an elongate stem (1) having, at a power tool side thereof, a shank (2) for securing the chisel in the power tool and, at a workpiece side thereof, a useful region (3) having an outer diameter (H) thereof tapering toward a workpiece end thereof and having a cross-section (5) formed as a concave polygon by a plurality of axial grooves (4) extending radially toward a core diameter (K) that likewise tapers toward the workpiece side end of the useful region (3).
Dependencies are inferred from the claim text.