Window comprising a steady frame , a movable frame , and an actuator for moving the movable frame ; wherein - the steady frame mainly extends in a plane a, comprises at least one plate which mainly extends in a plane τ perpendicular to the plane a, the plate comprising a main track and an auxiliary track ; - the movable frame mainly extends in a plane π perpendicular to the plane τ and comprises - at least one pivot which defines a rotation axis X perpendicular to the plane τ and parallel to the planes σ and π, the pivot being conformed so as to be able to be slidingly held in the main track ; - at least one pin which is rigidly mounted on the movable frame , which extends in a direction parallel to the axis X, which is spaced from the axis X, and which is conformed so as to be able to be slidingly held in the auxiliary track ; wherein - the actuator for moving the movable frame is suitable for imposing to the pivot a slide movement along the main track ; - the slide movement of the pivot along the main track imposes to the pin a slide movement along the auxiliary track ; and - the auxiliary track is shaped so as to impose to the pin a rotation around axis X during the slide movement of the pin along the auxiliary track ; characterized in that the pin is supported by a crank rigidly mounted on the pivot and in that the crank radially extends from the pivot at a certain axial distance from the movable frame . a steady frame , a movable frame , and an actuator for moving the movable frame ; wherein - the steady frame mainly extends in a plane a, comprises at least one plate which mainly extends in a plane τ perpendicular to the plane a, the plate comprising a main track and an auxiliary track ; - the movable frame mainly extends in a plane π perpendicular to the plane τ and comprises - at least one pivot which defines a rotation axis X perpendicular to the plane τ and parallel to the planes σ and π, the pivot being conformed so as to be able to be slidingly held in the main track ; - at least one pin which is rigidly mounted on the movable frame , which extends in a direction parallel to the axis X, which is spaced from the axis X, and which is conformed so as to be able to be slidingly held in the auxiliary track ; - the steady frame mainly extends in a plane a, comprises at least one plate which mainly extends in a plane τ perpendicular to the plane a, the plate comprising a main track and an auxiliary track ; - the movable frame mainly extends in a plane π perpendicular to the plane τ and comprises - at least one pivot which defines a rotation axis X perpendicular to the plane τ and parallel to the planes σ and π, the pivot being conformed so as to be able to be slidingly held in the main track ; - at least one pin which is rigidly mounted on the movable frame , which extends in a direction parallel to the axis X, which is spaced from the axis X, and which is conformed so as to be able to be slidingly held in the auxiliary track ; wherein - the actuator for moving the movable frame is suitable for imposing to the pivot a slide movement along the main track ; - the slide movement of the pivot along the main track imposes to the pin a slide movement along the auxiliary track ; and - the auxiliary track is shaped so as to impose to the pin a rotation around axis X during the slide movement of the pin along the auxiliary track ; - the actuator for moving the movable frame is suitable for imposing to the pivot a slide movement along the main track ; - the slide movement of the pivot along the main track imposes to the pin a slide movement along the auxiliary track ; and - the auxiliary track is shaped so as to impose to the pin a rotation around axis X during the slide movement of the pin along the auxiliary track ; characterized in that the pin is supported by a crank rigidly mounted on the pivot and in that the crank radially extends from the pivot at a certain axial distance from the movable frame . <EOS>