| 摘要 |
PROBLEM TO BE SOLVED: To provide a bath board which is used as a bathtub chair of a bathtub formed with slopes for putting armrests on and oppositely inside flanks, is easily portable, does not occupy a large place for storage, hardly deposits dust and fur and is easily cleanable. SOLUTION: This bath board 3 is spanned and placed across on the slopes 2 for the armresets respectively formed on the opposite inside flank 11 of the bathtub 1. The bath board comprises a board section 31 the front surface of which is formed as a loading surface 31a to be loaded with a human body, loading ribs 32 which are projectingly disposed downward at the opposite end edges placed on the slopes 2 of an under surface 31b of the board section and reinforcing ribs 33 which are projectingly disposed downward at the end edges not projectingly provided with the loading ribs 32 of the under surface 31b of the board section. The loading ribs 32 are formed to an approximately rectangular triangular shape in side view in such a manner that the loading surface 31a of the board section 31 is made approximately horizontal along the slopes 3 when the ribs are placed on the slopes 2. The loading ribs 32 and the reinforcing ribs 33 are both provided with notches 34 for venting air so as to prevent formation of air pockets at the under surface 31b of the board section. |
