| 摘要 |
PROBLEM TO BE SOLVED: To provide a sign-board, which does not require a place even in the case of transport, storage or the like and in which the state in which a board body is opened can be maintained stably. SOLUTION: In the freely openable and closeable sign-board in which the two board bodies, in which signs are indicated on at least one external side faces, are installed oppositely and the approximate edges of each horizontal upper section are supported by hinges, each upper edge 3, 3 of the board bodies 2 are abutted against each other when the two board bodies 2, 2 are opened at a fixed angle and the hinges 4 are mounted at positions, where the board bodies are not opened more than that. |
