Hinge for a roof window, and a roof window including a set of hinges

A roof window, comprising:

• a frame (1) having a top member, a bottom member and two side members (la) defining a frame plane, a sash (2) having a top member, a bottom member and two side members (2a), said sash carrying a pane (3) and defining a sash plane, said set of hinges (10) defining a hinge axis (α) of the window;
• and,
• a set of hinges, at least one hinge of said set of hinges including a frame hinge part (100) and a sash hinge part (200) configured to assume an angle relative to the frame hinge part (100), the frame hinge part (100) and the sash hinge part (200) each comprising a base plate (110, 210) with a guide track (112, 212) and a link (120, 220), the links (120, 220) being connected to each other at a bearing axle (123), each link (120, 220) including a first hinged joint (121, 221) to the respective base plate (110, 210) and a sliding joint (122, 222) slidably received in the guide track (212, 112) in the base plate (210, 110) of the other hinge part (200, 100),
• at least one hinge part (100, 200) is provided with a pick-up element (130, 230;
• 135) biased by a spring (140, 240) to act on a selected part of the hinge (10), said selected part of the hinge (10) being the sliding joint (222, 122) of the other hinge part (200, 100) in the guide track (112, 212), that the pick-up element (130, 230) is connected to the base plate (110, 210) in a second hinged joint (131, 231) and acts on the sliding joint (222, 122) of the other hinge part (200, 100), and that the pick-up element (130, 230) acts on the sliding joint (222, 122) only within a predefined angle interval.