| 摘要 |
<p>Lever-type security lock which comprises a lock or bolt with one, two or more closure heads and two or more sliding or running arms oriented at 90 degree with respect to the lock in order to produce "triple" or "quintuple" locks, characterized in that the lever package which can be actuated by the key, for the operations of closure and opening, is provided with at least two diverse series of windows, one of which, perimetrally closed, interacts with a detention or stop pin, transversely integral with the lock, and with at least a second series of windows, perimetrally open, which is capable of receiving a second security pin integral with the lock or in a single piece therewith (Figure 3).</p> |
