| 摘要 |
<p>A safety lock (1), comprises a frame and a bolt member (12) movably mounted on the frame and shiftable by rotation of the key in the lock between a first position corresponding to an open condition of the lock and a second position corresponding to a closed condition of the lock. At least one safety plate (4) is movably mounted on the frame and is translatable by rotation of the key in the lock to a position enabling movement of the bolt member (12). Hooking means operates between the bolt member (12) and the at least one safety plate (4), following a thrust illicitly produced on the bolt member (12). Also provided is means for enabling rotation of the safety plate (4) to a maximum lifting-up position of the safety plate itself. The hooking means comprises a hook-shaped portion (16a, 16b) formed in a safety pin (13) of the bolt member (12) adapted to cross a window (8) of the safety plate ( 4 ).</p> |
