| 摘要 |
PROBLEM TO BE SOLVED: To allow many bathing persons to always soak in clean hot water like new hot water though physically challenging persons continuously take a bath, by preventing hot water from flowing back into an existent bathtub after contacting with the bathing person, to contaminate the hot water when one physically challenging person takes a bath in the existent bathtub, so as to always keep the hot water in the bathtub clean. SOLUTION: This bathing machine has a structure obtained by fitting the right and left upper-side walls to the right and left lower-side wall of a bathtub bottom with hinges, in addition fitting front and rear side walls to the bathtub bottom with hinges, forming grooves at both of the ends of the front and rear side walls to fix the right and left upper-side walls and the right and left lower- side walls, making a water-intake hole having a check valve at the bathroom bottom and fitting a drain hose to a drain hole provided at the front and rear side walls.
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