| 摘要 |
<p>The seat (2) has a base part (4) and a backrest part (6) with projecting lateral edges (20- 26) arranged opposite to each other and surrounding a central base cushion (12) and central backrest cushion (14), respectively. The edges have a support surface (36) movable with respect to respective chassis between different positions in order to lock and unlock a user of the seat. The edges have the support surfaces that are controlled by an actuator so that the surfaces are locked and unlocked, simultaneously.</p> |
