| 摘要 |
<p>The seat has a back (2) that can be inclined and a seat pad (5) that is mainly horizontal. The upper extremity of the back frame (3) is articulated on the fixed frame of the seat (1) by a horizontal axle (4). Its lower extremity is coupled to the seat pad frame (6) by a lever (7), articulated on horizontal axles (8,9). The seat pad frame is joined to the fixed frame by a lever (10) articulated on horizontal axles (9,11). In a plate (13) joined to the seat pad frame there is a curved slot (14) with a central notch (17) in which a horizontal axle (18) engages.</p> |
