US Patent 9067520 Seat backrest for a motor vehicle

A seat backrest for a motor vehicle is provided with a framework, supporting a padding covered with upholstery and has an upper crossbar, to which are attached two coupling members supporting respective rods of a headrest; the coupling members have respective guides, which are made of plastic material, have respective guide holes to be slidingly engaged by the rods, and are fixed to the upper crossbar directly by way of adhesive material; in particular the coupling members have respective holding portions snap coupled to the upper crossbar.