| 摘要 |
<p>The subject of invention is an active orthopaedic chair the structural solution of which enables the flexibility of a seat in all directions, adopts the functional technique of sitting on a ball, and may replace conventional office or working chairs. The seat (4, 4', 4'') of the active orthopaedic chair according to the invention is connected to a support (3, 3', 3'') by an element (1, 1', 1''), which allows its flexibility in all directions. According to the variant solution, the flexibility-assuring element may be a coil spring (1), an elastic element (1') or a sliding mechanism (1'').</p> |
