Wiper system for cleaning a vehicle window with high curvature

A wiper system of a pantographic form for cleaning a vehicle window, comprising:

• a drive attachment, a first arm, a second arm and a head configured to hold a wiper blade, the first arm extending between the drive attachment and the head, the second arm extending between a holding device attached to the drive attachment and the head;
• a connecting body that is configured to link the first arm to the drive attachment;
• a pivot link located between the connecting body and the drive attachment;
• a rotational link located between the connecting body and the first arm;
• a rotational device that is configured to allow a motion around a first axis corresponding to a main axis of elongation of the second arm located between the head and the second arm or between the holding device and the second arm;
• and
• a mechanical link cooperating with the connecting body, the mechanical link including a lever body with a gear meshing with a toothed sector provided on the drive attachment, the toothed sector and the gear presenting a curve profile.