Patent ID: 7967177

Claim:
A combustion-operated setting tool for driving fastening elements in, comprising a combustion chamber ( 15 ); a ventilator ( 16 ) located in the combustion chamber ( 15 ), a motor ( 17 ) for driving the ventilator ( 16 ); a motor-supporting member ( 21 ) having a receptacle ( 20 ) for receiving the motor ( 17 ); and an annular damping element ( 30 ) located at a wall portion ( 22 , 23 ), which defines the receptacle ( 20 ), for supporting the motor ( 17 ) at least at one of axial ends ( 24 , 25 ) of the motor ( 17 ), the damping element ( 30 ) having an annular recess ( 33 ) formed in a circumference thereof, wherein the damping element has an annular opening ( 35 ) and an annular projection ( 34 ) provided on a first axial front end side ( 31 ) of the damping element immediately adjacent to the annular opening ( 35 ).