Patent ID: 7543728

Claim:
A hand-held drive-in tool for driving in fastening elements, comprising a guide ( 12 ); a drive-in ram ( 13 ) displaceably supported in the guide ( 12 ); a drive ( 30 ) for driving the drive-in ram ( 13 ) and having a driving spring member ( 31 ) for displacing the drive-in ram ( 13 ); a device ( 70 ) for preloading the driving spring member ( 31 ); and a locking device ( 50 ) having a locking position ( 54 ) in which the locking device ( 50 ) retains the driving spring member ( 31 ) in a preloaded position ( 22 ) thereof, wherein the drive-in ram ( 13 ) is provided with a locking stop ( 53 ), and the locking device ( 50 ) includes an annular member ( 49 ) pivotally arranged on the locking device ( 50 ) and rollable off the locking stop ( 53 ).