| 摘要 |
PURPOSE:To provide an intra-car operation board of elevator, on which only a managerial switch can be turned at the time of management works. CONSTITUTION:A cover 3A on an operation board 1 of elevator is slidable in vertical direction in two steps, and is held at the first step in half opened state by a locking device. In this half opened state, only a managerial switch 4A is exposed, while a maintenance switch is left being accommodated within the cover 3A. |
