| 摘要 |
<p>A chair or armchair of the type with seat and backrest having variable tilting, in which a slider (20) connected to an oscillating support (13) moves in response to the oscillations of this and has at least one side stop toothing (24), and a positioning element (21) connected to the stationary body (11) and which can be moved angularly from a close position to a distant position to and from said slider (20) and it engages with the toothing (24) of the slider (20) when said positioning element (21) is close to said slider (20) to establish various tilting positions of the backrest. <MATH></p> |
