Anh
three-pinned arch
three-hinged arch
Đức
Dreigelenk-Tragebogen
Dreigelenkbogen
Pháp
arc à trois articulations
[DE] Dreigelenk-Tragebogen
[EN] three-pinned arch
[FR] arc à trois articulations
[DE] Dreigelenkbogen
[EN] three-hinged arch