FAULT-FREE LOCK IN CASES OF PANIC WHICH INCLUDES A DEVICE TO ADAPT THE LOCK TO THE DOOR OPENING DIRECTION, PROVIDED WITH A LATCH ON ONE SIDE AND WITH THE POSSIBILITY OF TEMPORARY OPENING ON THE OPPOSITE SIDE.

摘要

A DEVICE TO ADAPT AN ANTI-PANIC LOCK IN THE OPENING DIRECTION OF A DOOR, TO PREDISPOSE THE LOCK TO OPEN ONLY FROM ONE SIDE AND TO TEMPORARILY ALLOW OPENING FROM THE OPPOSITE SIDE (SUITABLE ELEMENTS) ROTATELY AT THE CLOSURE THAT HAVE POLYGONAL COAXIAL SEATS (9,10) FOR THE LATERAL COUPLING OF THE CORRESPONDING HANDLE AND COAXIAL THREAD HOLES (11,12) PARALLEL TO THE AXIS OF THE SEATS, BEING SUCH ANNULAR ELEMENTS WITH CONTRACES ELASTIC FROM A FIXED ASSEMBLY POSITION; A LEVER (15,16) THAT PIVOTS BETWEEN THE RING ELEMENTS COAXIALALLY AND THAT HAS A SLOT (17,18) ALIGNABLE WITH THE THREAD HOLES AND IN WHICH A SCREW (22) IS INSERTED, WHICH IS SCREWED IN ONE OF THE HOLES THREADED AND HAVING THE LENGTH ENOUGH TO MATCH ROTATIVELY TO THE LEVER (15,16) AND TO THE ANNULAR ELEMENT TO WHICH IT HAS BEEN SCREWED, REMAINING THE OTHER ELEMENT ELEMENT FREE; THE LEVER HAS A FIRST ARM (23) FOR THE OPERATION OF THE LOCK SPRING, A SECOND ARM (20) FOR THE SIMULTANEOUS OPERATION OF THE LATCH AND A RATCHET (26) OPERABLE BY MEANS OF THE KEY OPERATED DEVICE AND SUITABLE FOR HITCHING THE TEETH OF THE RING ELEMENTS TO PROVIDE A ROTATIONAL MATCH BETWEEN THE LEVER AND THE RING ELEMENTS.