| 摘要 |
<p>A chair for sitting is provided. The chair comprises: a first support structure (1) adapted to be movable in relation to the ground surface (GS), a second support structure (2) adapted to have a first and second state, and a seat member (3). The second support structure (2) is in the first state movable against the ground surface (GS) along with the first support structure (1). The second support structure (2) is in the second state adapted to display considerable friction against the ground surface (GS). The second support structure (2) is displacably mounted to the first support structure (1), and the seat member (3) is mounted to the first support structure (1), such that the seat member (3) is displaceable in relation to the ground surface (GS) when the second support structure (2) is in the second state.</p> |
