(57) A door lock comprising a lock casing (1) with a first operating axis (3) arranged
for handle actuation and a first follower arrangement (4) mounted thereon, a second
operating axis (5) arranged for key and/or turning knob actuation and a second follower
arrangement (6) mounted thereon, a latch bolt (7) spring-loaded to a position protruding
from the lock casing, which latch bolt has two protrusion positions of different lengths,
and an auxiliary bolt (8) for controlling the protrusion of the latch bolt (7). The
lock casing (1) is also provided with a hook bolt (13), which may be positively urged
to a protruding position and to a retracted position, and with activating means (16),
which are selectively arranged so as to be moved from a first position, in which they
prevent the protrusion of the hook bolt (13) to a second position, in which they allow
the protrusion of the hook bolt (13).
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