| 摘要 |
PROBLEM TO BE SOLVED: To avoid an interference between a bathtub and a floor beam, and to extend the bathtub. SOLUTION: A recessed section 35 along floor beams 23, 26 is formed to a bathtub unit 32 arranged on an extending unit 13A, and the floor beams 23, 26 are contained into the recessed section 35. A projecting section having size capable of being sat is formed into the bathtub unit 32 in response to the large recessed section 35 on the indoor side at that time. Accordingly, the bathtub unit 32 and the floor beams 23, 26 do not interfere by the recessed section 35, the bathtub unit 32 having large size can be used, and entrance and exit are conducted easily while the bathtub unit is convenient even for the bathing, etc., of children by utilizing the projecting section as a step and a seat. |
