| 摘要 |
In a combined ventilator and window for installation in the roof of a motor coach, a panel 18 is mounted on angularly movable arms 28 so that the panel 18 can be moved between a closed position, opened positions in which either side of the panel 18 or either end of the panel 18 is opened, and an open position in which the panel 18 is parallel to and spaced from its closed position. The arms 28 are pivotally mounted on the frame 10 at 38 and have detent means 36, 40 to hold them in their alternative positions. The other ends of the arms 28 are pivotally connected to brackets 46, 74 depending from the panel, the latter pivotal connections being adapted to permit relative movement between the arms 28 and the panel 18 additional to movement about the respective axes of pivotal coupling. |
