Patent ID: 6971568
Filing Date: 2005-12-06
Classification: B25C

Abstract:
1. A combustion-operated setting device for driving fastening elements such as nails, bolts and pins into a substrate, with a combustion chamber ( 12 ) that has at least one combustion chamber outlet ( 13 ) and in which a fuel gas mixture can be ignited for driving a driving piston ( 16 ) guided in a piston guide ( 17 ), and with a movable locking and unlocking mechanism ( 20 ) for unlocking the at least one combustion chamber outlet ( 13 ) in the starting position ( 31 ) of the driving piston ( 16 ) and for locking the at least one combustion chamber outlet ( 13 ) outside of the starting position ( 31 ) of the driving piston ( 16 ), wherein the movable locking and unlocking mechanism ( 20 ) has a magnet attached there to ( 21 ) for detecting the driving piston ( 16 ) in the starting position ( 31 ).