Patent ID: 7114781

Claim:
An armrest for an office chair, the chair having a seat back and a seat plane, the armrest comprising: a tubular upright member; a static support surface connected to an upper end of said upright member; a first means, positioned at a front end of said support surface, for releasing movement of the seat plane and an inclination of the seat back; a second means, arranged in side-by-side relationship with said first means at said front end of said support surface, for activating for activating a locking of the seat plane and the inclination of the seat back, said first means comprising: a control button; an elastically retracted first lever having an end pivotally mounted at a rear part of said support surface, said elastically retracted first lever having said control button at an opposite end thereof; a stay rod extending in said support surface in linear co-axial alignment with said upright member, said stay rod longitudinally movable within said support surface; a guide pin linking said first lever to said stay rod such that a pivoting movement of said first lever causes a corresponding longitudinal movement of said stay rod; and a flexible cable extending through said upright member and connected atone end to said stay rod, said second means comprising: a second lever having an end pivotally connected in said support surface, said second lever having a retaining cog therein, said retaining cog cooperative with said stay rod so as to retain said stay rod in a fixed position at a point along the longitudinal movement thereof.