Patent ID: 8201835

Claim:
A replaceable chuck for a percussion hand-held power tool ( 3 ) for applying axial blows to a working tool receivable in the chuck, the chuck comprising a base body ( 6 ); and a release sleeve ( 4 ) axially displaceable relative to the base body ( 6 ) against a spring-biasing force and including inwardly located locking means ( 11 ) for formlockingly securing the chuck on a power tool spindle ( 15 ) with locking elements ( 12 ) extending through respective openings ( 13 ) formed in the base body ( 6 ) and engageable in associated recesses ( 14 ) on the power tool spindle ( 15 ), and a formlocking displacement guide ( 5 ) that provides for displacement of the release sleeve ( 4 ) relative to the base body ( 6 ) and includes along an axial extension of the guide ( 5 ), a tangential section, wherein the displacement guide ( 5 ) is formed as a pin-slot guide formed of a radially projecting pin ( 7 ) and a slot ( 17 ), with the pin ( 7 ) being formlockingly displaceable along a profile of the slot ( 17 ), and wherein the pin ( 7 ) is formed as a L-shaped pin that becomes self-locked in the tangential section of the slot ( 17 ) in a release position of the chuck.