| 摘要 |
PROBLEM TO BE SOLVED: To improve comfortableness by changing a posture between a usual sitting style bathing in a leg bent state and a sleeping style bathing on a back with a simple operation. SOLUTION: In a bathtub 1 having a length required for bathing of a human body on a back with legs stretched and a depth for bathing with legs bent, a plurality of block materials 2 having proper thickness and width are stacked and housed in one side of the inside thereof so as to be stretched and extended, and when the plurality of blocks 2a, 2b and 2c are stretched, these are extended along the bottom part of the bathtub 1 to have a length enough for holding the major part of the human body. |
