CHAIR (VERSIONS) Russian patent published in 1999 - IPC

FIELD: production of furniture. SUBSTANCE: chair has carcass made from metal tubes and having legs fixed on seat support and rigidly coupled by connecting members, and back poles inclined backward and provided with tension members. Back is formed as curved bar manufactured from hard wood and is fixed perpendicular to poles with elevation angle ranging between 10-30 deg to plane of support, which is provided with concave side portions. Back leg connecting member is congruent with back. Chair seat is made from longitudinal wooden members having profiled surface. According to one version, tension members are mounted in vertical position and rigidly fixed on connecting member of rear legs and in dead slots of back wooden bar, and according to other version, in horizontal position. EFFECT: wider operational capabilities, increased comfort and convenience for people of different anthropometrical sizes and weight, increased strength and prolonged service life. 3 cl, 4 dwg