| 摘要 |
An upper articulation device for windows and doors openable with swivel wing which include a fixed frame (10) and a movable frame (12), comprising:
- an articulation device (22) including a support element (24) to be fastened to the fixed frame (10),
- a guiding element (50) to be fastened to the movable frame (12) and provided with a guiding groove (54) and with an articulation seat (52),
- an arm (20) having a first end connected in articulated fashion to said support element (24) of the articulation device (22) and a second end slidably articulated in said guiding groove (54), and
- a scissors lever (44) having a first end articulated to the arm (20) and a second end articulated around a fixed axis in said articulation seat (52) of the guiding element (50). The second end of the scissors lever (44) bears an articulation pivot pin (48) which engages in snap-on fashion the articulation seat (52) of the guiding element (50). |
