| 摘要 |
The invention describes a combustion-operated working tool, in particular a setting tool for fastening elements, having a guide cylinder ( 5 ) axially displaceable relative to the device housing ( 1 ); a piston ( 9 ) displaceably mounted in the guide cylinder ( 6 ); a housing-integral stop ( 8 ), which projects into the guide cylinder ( 5 ) to delimit an engagement part of the piston ( 9 ) in the direction of advance of the piston ( 6 ), when the guide cylinder ( 5 ) is shifted in the direction of advance of the piston ( 6 ); and an elastic adjusting element ( 21-23 ), which is tensioned upon moving the guide cylinder ( 5 ) into the device housing ( 1 ) and by virtue of which an engagement part ( 28, 31 ) can be driven for carrying the piston ( 9 ) opposite to the direction of advance of the piston ( 6 ), after extension of the guide cylinder ( 5 ) out of the device housing ( 1 ).
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