| 摘要 |
The subject and the novelty of the technical problem solved in the armchair are determined by unity and mutual combination of components, and this: housing, elevation of seat (2) and its adjustability for work at desk, an adjustable angle of inclination of the back according to the need for sitting, relaxation and (exceptionally) for sleeping, revolving around the vertical centerline and moving in all directions on 4 casters. |
