(57) A lock opening device (10), particularly for independently actuated locks, comprising
two square pins (11), each of which can be associated, at one of its ends, with one
of the handles (12), which are provided correspondingly on opposite faces of a door
(13). The square pins (11) being insertable, at their other end, in two corresponding
bushes (14) for actuating the latch (15) which are adjacent and coaxial, each bush
(14) being provided with a through hole (16) which has a square cross-section and
is shaped to accommodate the corresponding square pin (11) for the actuation of the
lock. Each one of the two square pins (11) being provided with a longitudinal through
hole (17) for the insertion of a rod (18) which can slide and rotate within said longitudinal
through hole (17) substantially coaxially. The rod (18) having, at least at its ends,
means for contrasting the extraction of the square pins (11), each fitted on the rod
(18) at the corresponding longitudinal hole (17).
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