Articulation assembly for connecting base and backrest of front seat of vehicle, has retention element set between flange and intermediate flange, where element cooperates with another flange for maintaining latter flange in folded position

摘要

The assembly (10) has flanges (12, 14) mounted pivotingly with respect to each other around an articulation axis. An articulation mechanism (18) connects one of the flanges and an intermediate flange (16). A blocking mechanism (20) connects the intermediate flange and the other flange. An annular retention element (22) is arranged between the former flange and the intermediate flange along the axis, where the element cooperates with the latter flange for maintaining the latter flange in a folded position in a reversible manner.