FIELD: construction.
SUBSTANCE: in invisible concealed door hinge (1) first connecting element (2a) and second connecting element (2b) are connected together by hinge device (3), which provides relative movement between open state and closed state, wherein first (2a) and second (2b) connecting elements together form a seat, in which hinged device (3) is enclosed. At least one of connecting elements (2a, 2b) comprises bearing structure (4a, 4b) formed from corresponding one metal sheet to form one concave element having concavity facing direction opposite to direction (X1, X2) of connection element depth (2a, 2b), and bounded by base (42a, 42b) of bearing structure (4a, 4b) and side walls (43a, 43b) of bearing structure (4a, 4b), which form continuous peripheral edge (42a, 42b) connected to base (42a, 42b) without interrupting material, from which said one metal sheet is made, and completely surrounding base (42a, 42b), following closed curve around direction (X1, X2) of connection element (2a, 2b) depth.
EFFECT: invention relates to a structurally improved invisible concealed door hinge.
39 cl, 29 dwg
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