| 摘要 |
<p>In a chair comprising at least a seat (1) and a back (2), supported by a permanent base (3), the seat is height-adjustable only, remaining angled permanently downward toward the rear; the back (2) is hinged to the seat (1) in such a way as to give at least three basic positions: one substantially upright, another substantially horizontal, and a downwardly angled position set below the horizontal in which the back (2) and seat (1) are brought into alignment and the occupant of the chair assumes Trendelenburg's position.</p> |
