| 摘要 |
PROBLEM TO BE SOLVED: To vary the curve of a mattress which is raised and lowered by the user by selecting some of plural air bags, and varying air pressure within the air bags and the amounts of air filling them. SOLUTION: This raisable bed device comprises a bed frame 1; a fixed floor plate part 2 provided in such a way as to be secured to a portion of the bed frame 1 along the longitudinal direction of the bed frame 1; a back floor plate part connected to one end of the fixed floor plate part 2 in such a way as to freely rise and fall; a leg floor plate part connected to the other end of the fixed floor plate part in such a way as to freely rise and fall; a back-raising drive mechanism 2 driving and raising the back floor plate part; and an air mattress 5 laid over the floor plate part. The air mattress 5 has a plurality of air bags 52, some of which are selected and varied in air pressure to vary the height and hardness of the bed. |
