| 摘要 |
<p>The invention provides a mattress 5 comprising an array of air springs 30 each in communication with a supply of air 65 for selectively varying the air pressure within said spring, so as to provide a resilient body 30 against which a user may recline; an aperture in an upper surface of each air spring, providing access to a cavity 50 within said spring, said cavity open to ambient pressure and sealed from the air supply 65.</p> |
