Fortochka
Encyclopedia
A Fortochka is a small ventilation window
. It usually spans the frame of one window pane
and opens on hinge
s independently of the whole window. Fortochkas are in common use in Russia
, other post-Soviet states
, and Finland
.
Window
A window is a transparent or translucent opening in a wall or door that allows the passage of light and, if not closed or sealed, air and sound. Windows are usually glazed or covered in some other transparent or translucent material like float glass. Windows are held in place by frames, which...
. It usually spans the frame of one window pane
Paned window
A paned window is a window that is divided into sections known as panes. Originally, the meaning pertained to sectioned glass windows in walls.Computer scientists have adopted the term "pane" to refer to parts of sectioned windows on a graphical display...
and opens on hinge
Hinge
A hinge is a type of bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation. Hinges may be made of flexible material or of moving components...
s independently of the whole window. Fortochkas are in common use in Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...
, other post-Soviet states
Post-Soviet states
The post-Soviet states, also commonly known as the Former Soviet Union or former Soviet republics, are the 15 independent states that split off from the Union of Soviet Socialist Republics in its dissolution in December 1991...
, and Finland
Finland
Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...
.