| 摘要 |
<p>A backrest 4 for a bed is pivotally connected to a headboard 2 on the bed or to a wall adjacent the head of the bed, by links 6 such that the backrest can be moved between a stowed position (fig. 1a) and an extended position (fig. 1c) in which the lower end of the backrest is supported by the mattress.</p> |
