| 摘要 |
<p>The invention relates to a chair, in particular an office chair, with a saddle like seat. The seat is made from a flexible material, allowing the curvature of the seat to be varied to suit the chosen elevation of the seat. The chair includes a mechanism for adjusting the said curvature. The adjustment can be made manual or automatic; by in which the instant curvature will be proportional to the elevation.</p> |
