| 摘要 |
<p>A chair comprising a base, an adjustable frame supported by said base, a seat and a back. The chair is characterized in that the adjustable frame is swingable with respect to the base, preferably about a substantially horizontal axis, and comprises telescopic arms, in that the seat and the back are swingably connected to one another, and in that the seat and the back are connected to said telescopic arms, whereby adjustment of these latter permits one to vary the inclination of the seat and back. Preferably, the inclination of said seat and back vary in such a way that the center of gravity of the user's body is located at or near the line of application of the resultant of the reactions of the floor on the seat base.</p> |
