| 摘要 |
An arm (1) is described for casement window wings comprising: securing means (3) to a frame; and securing means (7) to a wing (5) cooperating with means (4) for limiting wing (5) opening. The securing means (7) to the wing (5) are composed of a connection device (17) that is slidable along the wing (5), and the device (17) is equipped with locking and unlocking means (19), that are commonly composed of a wire spring (19) adapted to be housed into the device (17). |
