| 摘要 |
The second ring 31 and the fourth ring 33 are fixed to the ouch 5 so that the table surface 7a (front of the ornament unit) has a position that is directed upward by an angle alpha of about 5° to 45° with respect to the gravity direction. When it is in use condition, For example, it is achieved by twisting the first joint 61 and the second joint 63 by an angle corresponding to the angle alpha. |
