HINGE UNIT Russian patent published in 2017 - IPC E05D3/00 

FIELD: construction.

SUBSTANCE: hinge unit (100) for the gate is described, when the gate hinged thereon is closed and locked. The hinge unit comprises a mounting plate (120), which is attached to the gate (20) and on top of which a security element (140) is mounted. The mounting plate (120) is attached to the gate (20) by means of two fixing screws (150a, 150b) engaging a sliding element (130); said fixing screws pass through an elongated groove (45) formed in a rail element (40) welded in the gate (20). A protective element (140) mounted on the mounting plate (120) comprises a channel surrounding and closing said mounting plate (120), as well as two fixing parts (142, 144); when said protective element (140) is fixed to the mounting plate (120), its shape can be changed by shifting from the first configuration to the second configuration. For the two fixing parts (142, 144) of the protective element (140), the same fixing elements (122, 124, 150a, 150b) are used as for the mounting plate (120).

EFFECT: eliminating the possibility of unauthorized access.

10 cl, 13 dwg