| 摘要 |
<p>Device for coupling the backrest frame (2) with the base structure (3) of a chair (1), comprising hooking means (A) for removably connecting the backrest frame (2) to the base structure (3), or the seat frame, of the chair (1) and fixing means (F) to reversibly fix the backrest frame (2)to the base structure (3), or the seat frame, of the chair (1), characterized in that said hooking means (A) comprise a constraint providing the backrest frame (2) with at least one rotational degree of freedom in relation to the base structure (3), or the seat frame, of the chair (1) and in that said fixing means (F) comprise at least one device for reversibly locking the rotation of the backrest frame (2) with respect to the base structure (3), or the seat frame, of the chair. (1)</p> |
