| 摘要 |
There are provided a retention means (10) to be positioned in a completely hidden manner within the rear part of the pan (2), and be rigidly fixed to the floor or wall in such a manner as to be supported thereby, and a pair of arm rests (20) which each have one end fixed to the retention means (10) and are supported thereby; the pan (2) is arranged to be fixed to the floor or wall without loading the retention means (10) and vice versa, and has a pair of holes (41) provided in the vertical side walls of its rear part, through which holes the end of the arm rests (20) is fixed to the retention means (10) without loading the pan (2). |
