FIELD: construction.
SUBSTANCE: disclosed is a hinge to concealed arrangement between door frame (1) and door leaf (2) with first and second fastening elements (3, 4), configured for installation in grooves in lateral side of door leaf (2) and in door frame (1), with first hinge bracket (5) and second hinge bracket (6) connected with possibility of rotation around vertical axis (A). In receiving cavities (7a, 7b) of fastening elements (3, 4) respectively is arranged to turn about vertical axis (A' and A") of rotation end (6a, 5c) of one hinge bracket (6, 5), and end (5a, 6c) of other hinge bracket (5, 6) is performed with possibility of rotation and movement in longitudinal direction. First hinge bracket (5) extends into receiving cavity (7a) of first fastening element (3) in vertical direction (z) on by a shorter length than second hinge bracket (6). Receiving cavity (7a) of first fastening element (3) has aligned with different length of hinge brackets (5, 6) shape of stages with step (11) above and step (11) below first hinge bracket (5).
EFFECT: attachment of door.
25 cl, 5 dwg
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