| 摘要 |
PROBLEM TO BE SOLVED: To provide a cushion body for mattress having hard cushioning property that supports a user's body so as not to sink down and soft cushioning property that supports the body so as to disperse body pressure reasonably, and configured to reduce excessive sinking of the buttocks of the user and the body pressure of the user with the upper body raised when the cushion body is used as a mattress for a floor board raising bed.SOLUTION: In a cushion body for a mattress, a soft layer 6 made of a soft cushion material is disposed above a load supporting layer 1 made of a hard cushion material. In the load supporting layer, a longitudinal range corresponding to the buttocks 3 of a user 2 lying on the back and the vicinity thereof is configured as a downward-projecting bottomed bending part 4. A compensating cushion part 7 made of a soft cushion material corresponding to the upper space of the bending part is formed in the upper soft layer. A support cushion layer 8 for supporting the portions other than the downward projecting bending part is disposed below the load supporting layer. |
