HATCH MECHANISM Russian patent published in 2020 - IPC E06B3/36 E06B3/38 E06B5/02 E06B5/01 

FIELD: hatch mechanism.

SUBSTANCE: present invention relates to a hatch mechanism installed in a wall, ceiling or floor opening. Hatch mechanism to be built in the opening comprises: flap frame 1 including axial member 2, with end parts (3, 4) of which are connected interconnected frame elements 5–7, having at least flat parts, the planes of which are parallel to the plane of the flap; carcass bracket 9 made in the shape of aperture, wherein the bracket forming elements 10–12 have flat parts which are perpendicular to the flap frame plane in the flap closed state and are equipped with at least mounting holes 13 for frame bracket 9 attachment in the opening; wherein the flat parts of bracket forming elements 10–12 on the opposite edges of frame bracket 9 are bent at a predetermined angle towards the flap plane in its closed state; wherein face ends of axial element 2 are pivotally connected to ends of curved edges of frame bracket 9.

EFFECT: use of invention provides achievement of technical result consisting in expansion of equipment range with simplification of design, improvement of reliability of operation.

7 cl, 7 dwg