Chair with lumbar support height-adjustably fitted on back rest of sub-frame

摘要

The side edges (17,18) of the back rest (3) form guide rails for a height adjustment movement. The holding claws (19) with elastically interdirected tension activate the side edges (17,18) of the back rest (3). A one-piece formation of the lumbar support (15) is provided with its holding claws (19). The back rest matches the body shape of a seating person. The front side of the lumbar support has a greater rounding radius than the hollow formation (22) of the back rest.