(57) A concealed-type slidable, adjustably opening hinge, in particular for articulated
joints in doors and windows of residential buildings, as well as for doors of furniture
pieces, and the like, comprising a plurality of sectors (9) that are separated from
and capable of cooperating with each other so as to vary the angle of rotation of
the hinge between the open and closed positions of said doors and windows, under interposition
of anti-friction means (17, 27, 29) therebetween, and comprising means (20) for delimiting
the opening extent of the hinge, in which said means are adapted to enable said sectors
(9) to only displace within said open and closed positions.
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