Abstract: A window of a residential roof with a window wing (a folding skylight shutter) which is supportably relieved of weight by an accumulator and which swings open about an upper axis of the blind window frame, the wing after decoupling additionally being able to be turned over about an axis lying substantially in the longitudinal center line, the axial pins of the last-mentioned axis being seated on carrier arms which are articulated in the vicinity of the upper transverse leg of the blind window frame and extend in the direction of the longitudinal legs of the blind window frame.

Abstract: A window shade casing with a cover wall, a side wall, an outer wall and a casing bottom. The cover wall and the side wall are angularly shaped, are formed mutually alike and are engaged on the casing with their edges. The cover wall and the side wall are hooked in one another.