Backrest for use as central part of seat back of furniture i.e. office furniture, has assembly board with compliance around lateral axis of seat piece of furniture such that board is adjusted and fixed in direction of seat piece

摘要

The backrest (2) has a back part (16) formed with a bend (10), where the backrest is interlocked with a resilient assembly board (22) at a distance above the bend at a junction (19). The resilient assembly board has resilient compliance around a lateral axis of a seat piece of a furniture such that the board is adjusted and fixed in an vertical direction of the seat piece at a rear side of the furniture, where the backrest is expandably and/or dismantlably formed over a belt system (30), and is mounted at the seat piece of the back side of the furniture.