Patent ID: 7028876

Claim:
A setting tool, comprising a sleeve-shaped housing ( 11 ); a piston guide ( 13 ); a piston ( 15 ) displaceable in the piston guide ( 13 ); an ignition unit ( 12 ) located in the housing ( 11 ) and axially displaceable therein; a cartridge chamber ( 18 ) arranged between the piston guide ( 13 ) and the ignition unit ( 12 ), the ignition unit ( 12 ) having a cartridge chamber bottom ( 19 ) for enclosing a propellant ( 25 ) in the cartridge chamber ( 18 ) and an ignition element ( 22 ) for igniting the propellant ( 25 ); and a locking device ( 30 ) having a locking position ( 38 ) in which the ignition unit ( 12 ) is held in a pre-loaded position ( 28 ) against an energy accumulator ( 23 ) and in which the cartridge chamber ( 18 ) remains open, and having a release position ( 39 ) in which the ignition unit ( 12 ) is displaced to an ignition position ( 29 ) thereof by the energy accumulator in which the cartridge chamber bottom ( 19 ) closes the cartridge chamber ( 18 ).