| 摘要 |
<p>A device for the opening and closing of doors and windows in particular of the type which can be opened by both the wing opening mode and the "wasistas" opening mode, comprising a handle (1) fixed to the window and a pinion (11) integral with the handle unit and axially slidable by locking means (7) housed in the handle unit and able to engage it in one or the other, or in both of the two racks (16,17) opposite one another and offset with respect to the sliding axis integral with a rod of the opening system (15) of the window. Alternatively, operating means can have a push-button (21) elastically slidable by pressing in a seat of said handle unit. The device allows for the selection of one type or the other of said openings, blocking the one which is not required, with a simple and comfortable movement and with the locking the opening of the window in a closed position. <IMAGE></p> |
