| 摘要 |
PROBLEM TO BE SOLVED: To provide a sofa and mattress corresponding to body pressures, which, when used as a mattress, allows a good supine position to be taken by varying the density of cushion material for the parts of the body where body weight pressure is high when the user takes a supine position. SOLUTION: This sofa and mattress 1 corresponding to body pressures is rectangular on a plane and comprises a plurality of cushions 2, 3, 4, 50, 51 stored in the corresponding storage parts of a surface cover material and covered with the surface covers material having the storage parts. When it is used as a mattress, at least the cushions 2, 3, 4 corresponding to the waist and chest of the user in a supine position have higher density than the cushions for the other parts of the body. |
