Door lock for door casement, has stop accessed from outer case by opening and movable between active and inactive positions, where latch bolt head is drawn out of outer case completely in inactive position

摘要

The lock has a stop (24) movable between active and inactive positions, where the stop blocks the displacement of a latch bolt (4) in a rest position against an elastic spring (17). A head (11) of the latch bolt is drawn out of an outer case (1) completely in the inactive position, for allowing the return of the latch bolt in the case. The stop is accessed from the case by an opening (26) provided across a forend (3) of the case.