VENTILATION DEVICE Russian patent published in 2023 - IPC E05F5/02 

FIELD: auxiliary parts of windows and doors.

SUBSTANCE: invention relates to the devices for fixing window sashes or doors in the open position. Increased reliability of the ventilation device is achieved in that the ventilation device is characterized by the fact that it contains a frame bracket and a sash bracket mounted on a fixed frame of a window or door and a movable sash of a window or door, respectively, the frame and sash brackets are connected to each other by a screw drive to create a pushing force, wherein the screw transmission contains a threaded rod, the distal end is mounted with a linear hinge to the frame bracket, and the proximal end is a threaded connection to the adjuster handle located behind the edge of the sash and hingedly mounted to the sash bracket with the possibility of manual rotation of the adjuster handle in the plane of the sash and its movement together with the sash bracket along the thread of the stud and adjusting the opening width of the window or door sash, for which purpose the handle-regulator has a thread corresponding to the thread of the stud, while the swivel connection of the handle-regulator with the sash bracket is made detachable using a ball joint.

EFFECT: increased reliability of the ventilation device.

4 cl, 5 dwg