(57) A hinge for door and window units, especially heavy door and window units comprising
a fixed frame (1) and a mobile frame (2) whose profiles define respective longitudinal
grooves (C1, C2) for fastening operating accessories. The hinge (3) comprises: a first
male, or lower, hinge body (4) having a first cylindrical socket (4a) and a first
flap (4b) that can be associated, through respective first fastening means (5), with
the groove (C1) of the fixed frame (1); a second female, or upper, hinge body (6)
having a second cylindrical socket (6a) and a second flap (6b) that can be associated,
through respective second fastening means (7), with the groove (C2) of the mobile
frame (2); a hinge pin (8) that can be housed in the two sockets (4a, 6a) and defining
the axis of rotation (Z8) of the mobile frame (2). Third means (9) are also provided
for fastening the first hinge body (4), acting at least between the first flap (4b)
of the first body (4), in the vicinity of the first socket (4a), and the surface of
the fixed frame (1) facing it. These third fastening means (9) can, in particular,
be housed directly in the first socket (4a) of the first hinge body (4).
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