Rear window for the back door or hatchback door of motor vehicles

Back door or hatchback door (1) for motor-vehicles, of the type including a lower solid part (3) and an upper part consisting of a peripheral frame (6) closed by a glass sheet or crystal sheet, which is horizontally divided into two parts. Namely an upper part (13) integral with the frame (6) and a lower part (14) which can rotate in relationship to it.