Double articulation means for angularly adjusting a seat back

摘要

A double articulation for the angular adjustment of a seat back, particularly a motor vehicle seat back in which the iron fitting with a locking arrangement comprises a fixed flange rigidly connected to the armature of the frame of the seat comprising, at its upper portion, a flat widened region carrying an articulation axis on which is pivotally mounted a mobile flange rigidly connected to the armature of the seat back.