| 摘要 |
PROBLEM TO BE SOLVED: To enable compatibility between workability and designability of glass by enabling glass replacement work to be easily performed from inside a cage.SOLUTION: Self-weight pressure type glass fixing means, which is urged by an urging member 25 so that an attachment port capable of being subjected to insertion of a lower end of glass 14 can be opened and which holds the lower end of the glass 14 in a sandwiching manner by pressing it by self-weight of the glass, is provided on a wall surface of a cage. |
