US Patent 9345333 Armrest, in particular for office chairs

An armrest, in particular for office chairs, comprising a support bracket (16) connected to the chair, a tube (34) connected to the vertical part (24) of said bracket, and an arm support pad, characterized in that the tube presents at one end a flange (36) comprising rotation guides for a plate (66), said plate presenting an aperture (66) for the insertion of the lower end of the tube and being provided with rotation guides (38) cooperating with said flange (36) for the rotation of said plate (66) about said tube (34), said plate (66) and said pad (80) being constrained by mutually cooperating slide guides (74, 78) which enable said pad (80) to translate relative to said plate (66) with said flange (36) interposed between them.