| 摘要 |
PROBLEM TO BE SOLVED: To provide a mattress device with improved comfort by adjusting the device according to the body size and preference or taste of a user. SOLUTION: A basic member 2 and an intermediate member 3 are integrally stored inside an upper layer member 4. The basic member 2 is formed of a hard cotton core material in the shape of a corrugated board, and a holder band 5 is mounted on an outer fabric 6 for holding the intermediate member 3. The intermediate member 3 comprises a plurality of divided members 3a-3f made of materials with different hardness, which are replaced appropriately according to the use condition, to be disposed and held by the holder band 5 of the basic member 2. The divided members 3a-3f are covered with net-like bag bodies 7, to which tags 8 indicating the hardness of the materials are sewn. The upper layer member 4 consists of an urethane foam material as padding covered with knit fabric, and a plurality of lines of a number of notched grooves D are disposed in the urethane foam material for facilitating the bending corresponding to bending parts on the floor part of the floor raising type bed. COPYRIGHT: (C)2004,JPO&NCIPI
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