Patent ID: 7252155

Claim:
A power tool, comprising striking means ( 5 ) for directly striking a percussive tool ( 2 ) at least partially displaceable along an axis (A) and having a flushing bore ( 4 ) extending at least partially longitudinally through a shank ( 3 ) thereof and open at a power tool side thereof and an insertion end ( 10 ), the flushing bore ( 4 ) opening at a power tool-side thereof at the insertion end ( 10 ); a flushing head ( 16 ) having a fluid channel ( 7 ) for feeding flushing fluid thereto, at least one, opening radially inwardly, transverse borehole ( 8 ) connected in a flow-through fashion with the fluid channel ( 7 ), and at least one hollow cylinder-shaped, guide surface ( 9 ) for fittingly receiving an insertion end ( 10 ) of the percussive tool ( 2 ); and at least one seal ( 11 a , 11 b ) for insuring a flowtight displacement of the striking means ( 5 ), the striking means ( 5 ) being formed as a cup-shaped member for flowtightly embracing a power tool-side of the insertion end ( 10 ) together with a power tool-side opening of the flushing bore ( 4 ), wherein the striking means ( 5 ) extends axially into the flushing head ( 6 ) on a percussive-tool side thereof, wherein the power tool further comprises a flushing seal ( 14 ) arranged between the flushing head ( 6 ) and the striking means ( 5 ), and wherein the flushing head ( 6 ) has a leakage opening ( 15 ) opening outwardly relative to a leakage space ( 16 ) provided on a power tool-side side of the flushing seal ( 14 ).