| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a chair capable of bringing about proper sitting comfortableness without reference to a difference in a seated person' physique and a change in his/her posture.SOLUTION: A chair comprises: right and left side frames 641a and 642a; a plurality of flexibly-deformable filament bodies 83 adjacent to each other, which are laid between the side frames 641a and 642a; and a tensioned state adjustment mechanism 84 that reciprocally changes a tensioned state of the other filament body by an external force applied to the specific filament body of the two filament bodies 83, at least within the side frame.</p> |
