Adjustable ergonomical office chair - has upholstered centre section for spine support and backrest sections on either side

摘要

the office chair has a backrest support and upholstered centre section to provide support to the spine of the user. An upholstered backrest section is positioned on each side of the centre section. Each of the backrest sections (9, 10) is connected to the centre section (4) by a sprung flexible attachment in such a way that, with a corresponding load, one of the backrest sections (9 or 10) swivels outwards in the direction of the load exerted, the sprung flexible attachment is made in the form of spring leaves (13). The upholstery of the centre section (4) is bodily separated from the upholstery of the two backrest sections (9, 10).