| 摘要 |
<p>A bed capable of being adjusted according to the vertebral curve of human includes groups of ascending and falling devices (10), one of which contains a base (1) which is provided with a groove (11), and the groove (11) is provided with a height sensor (2) on the side and two elastomers (13) respectively on two sides which support a movable staff (3). The base (1) is provided with air cushions (4) on the top of which sensing sticks extend (31),and ends of sensing sticks are connected to the movable staff (3). Air cushions (4) are connected to a inflator (6) which is connected to the height sensor (2) and a control device (7).</p> |
