INSTRUMENT FLIGHT SHUTTER Russian patent published in 2024 - IPC G09B9/08 B64C1/14 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft engineering, particularly, to helicopter equipment for pilot training. Instrument flight shutter comprises tube (12) fitted on windshield frame (11) with shutter (17) fixed on it and made up of two layers of opaque nylon fabric. Between layers of fabric in lower part of shutter (17) rod (21) is sewn, on which handle (18) made in the form of hook is fixed. In the lower part of shutter (17) in the corners on both sides there are rings (2) sewn, placed on guides (3), and on the edges on the left and right sides there are two straps (19) sewn with buttons (8, 9). On windshield frame (11) there are two supports (15, 16), which are connected along spherical surfaces (23, 24) to supports (13, 14) of pipe (12). Rod (22) is installed inside pipe (12), on which spring (20) is fixed by one end, the second end of which is fixed to trunnion (5) of support (14). Two guides (3) are installed along windshield frame (11) posts, on one of them there is blade (10) made in the form of a conically narrowing guide.

EFFECT: uniform and smooth folding and laying on tube (12) of shutter (17) made of non-rectangular shape.

3 cl, 11 dwg