Pupil's chair FrStU4.t

The frame is made of 2 flat-oval tubes of 40x20x1.5 mm cross-section of L-shape. Each tube has a welded plate 80x30x2mm for fastening the backrest of the chair.The base of the seat frame consists of a flat-oval tube of U-shape 30x15x1.5mm and welded between supports.On the base of the seat frame 2 plates 40x30x2mm are welded on each side for fastening the seat.The lower supports are connected with each other by a welded joint with a lintel made of flat-oval pipe with a cross-section of 30x15x1mm.All pipe ends are closed with plastic plugs.To the metal corner, on the outer side of the chair leg bend, a plastic corner support 110x95x25mm is fixed.On the front edge of the metal supports plastic lugs 65x45x25mm are put on. The corner support and the tip are fastened with self-tapping screws3,9x19mm.painted with powder paint.The seat and backrest of the chair are made of bendutoklevennoy plywood, coated with varnish, attached to the frame with the help of rivets.The size of the seat and backrest according to GOST.