E05D 7/085

Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing {, e.g. for balanced wings} with a movable pivot axis with two or more pivot axes, e.g. used at the same time