| 摘要 |
<p>A rotation stopper for opening and closing plate, comprising opening and closing plates (3) which are installed rotatably at both ends of a base part (1) and formed so that they can be opened and closed laterally from the state of being closed, the opening and closing plate being held at closed positions by holding means (5 and 6), respectively, and stopping means (15 and 16) which stop the opening and closing plates midway during the opening operation, respectively.</p> |
