| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bed capable of reducing bedsores and pains of the back or the waist even if one sleeps for a long time in an invariable posture. SOLUTION: A longitudinally long rectangular bedboard 2 is disposed on a support base 3 and support members 8a, 8b(8) are provided to support the right and left central parts of the bedboard 2 movably around the longitudinal axial line 9 and a swing device 4 rocking the bedboard 2 around the axial line 9 at a specified angleα, is provided.</p> |
