FIELD: construction.
SUBSTANCE: invention relates to construction, particularly, to attic windows. Group of inventions includes versions of structures: attic window with two openings blind, attic window with two openings: lower - with flap, upper - blind, attic window with two apertures: upper - with flap, bottom - blind and attic window with one opening and flap, in the design of which gas springs are used.
EFFECT: technical result is improved operational reliability of windows.
54 cl, 36 dwg
Authors
Dates
2020-06-25—Published
2019-08-21—Filed