| 摘要 |
<p>Chair with two stable seating positions, especially for office or working place applications, comprising a seat with a conventional seat portion, a chair support that has a vertical central support line, and a position adjusting assembly placed between the chair support and the seat to enable adjustment of the position of the seat, wherein the seat comprises a saddle shaped seat portion attached and fitted to a front end of the conventional seat portion, and the position adjusting assembly (30) can be used to place the seat in a first stable conventional sitting position, wherein a central portion of the conventional seat portion is substantially horizontal and the load is predominantly held by the conventional sitting portion, and the vertical central support line of the chair support substantially falls in the extension of a central weight line (32) of a subject when sitting on the chair (1), and in a second stable position, the seat is inclined in forward direction, the load is predominantly held by the saddle shaped seat portion and the chair support is shifted in forward direction relative to the seat so that the vertical central support line of the chair support falls substantially again in the extension of the weight line of the subject.</p> |
