| 摘要 |
<p>The security system for key and lock prevents forcing of locks, and protects cylindrical inner part of lock combination with axial, combined axial and radial and of radial mode of action by safety cover. The key with one, two or more combination profiles for lock and padlock has stops. The latter control the function of the tumblers and of the cylindrical inner part and especially the stop of the depression corresponding to the first tumbler. The protection system has stops for regulating the combination of the tumblers. This is carried out by sliding the cylindrical inner part of a lock by means of the key and by means of the first tumbler situated straight behind the key hole. The first tumbler acts simultaneously as tumbler of the combination and as a stop.</p> |
