ES1022038U - Coupling device for backrests adjustable office chairs and the like (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Docking device for endorsements adjustable office chairs and similar essentially characterized by being formed from a lower body associate endorsement, corrugated frontally, topped in a pair of fins antero-lower through which joins articulately to limb rear seat frame, settling within this lower body and corrugated a plurality of plates, hingedly mounted on a transverse pasador anterior superior established between the lateral branches of body corrugated, plates plane that, with a path bent or arcuate intermingle at the other end with a second set of chapas integral with the seat frame, both of locksets provided in their sectors overlapping of holes torn in playing a locking pin, which tends to as deadlock influence of spring and robust a is shiftable against such spring, pa ra liberation of games of plates, by an exterior control tilt, constituting these two sets of plates a kind of clutch allows in unlocked position, the tilting of the back relative to the seat through the pivot axis between these elements, automática frontally the influence of a robust spring coil, mounted on said pivot axis and whose patillas extreme back on pins and over part and tilt backward and against such spring by pressure back user cited the situation of clutch plates for games. (Machine-translation by Google Translate, not legally binding)