| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening/closing detector for discriminating the opening/closing state of a night cover in a simple structure, and to easily alter an open showcase not provided with the opening/closing detector to have a function.SOLUTION: A night cover holder 3 for holding a hooking part at a front end of a night cover 2 disposed at an opening end of an open showcase is disposed at the opening end on the side facing the night cover 2, and the night cover holder 3 is formed as a night cover opening/closing detector which discriminates the opening/closing state of the night cover 2. |
