| 摘要 |
Disclosed is a ventilation and operating assembly for bringing a sash from an open position to a closed position and vice versa relative to a frame of a window. The ventilation and operating assembly comprises a closure portion (14,18) having an inner side and an opposite outer side, a first end edge (19) including a hinge part for connection to the sash and an opposite second end edge (15), a handle portion (11) including a portion (12) connecting the handle portion (11) with the closure portion (14, 18), and a locking device (60) movable between a locking position and a released position. |
