Patent ID: 7073698

Claim:
An explosion-power operated setting tool for driving fastening elements in a structural component, comprising a housing ( 11 ), a piston guide ( 13 ) arranged, at least partially, in the housing ( 11 ) and having a guide chamber ( 14 ), a setting piston ( 15 ) displaceable arranged in the guide chamber ( 14 ) of the piston guide ( 13 ), a resetting device ( 30 ) having a resetting member ( 31 ) for returning the setting piston ( 15 ) in an initial position ( 25 ) thereof after completion of a setting process, and a spring ( 35 ) for resiliently biasing the resetting member ( 31 ) in a direction of the initial position ( 25 ) of the setting piston ( 15 ), and a damping device ( 40 ) for the spring ( 35 ), wherein the damping device ( 40 ) comprises a damping member ( 41 ) arranged between an end ( 37 ) of the spring ( 35 ) and a bearing section ( 36 ) of the resetting member ( 31 ).