Driver's cab of an agricultural vehicle

The cabin has a roof (3) comprising a hatch (6) that is closed by a covering element (5), where the covering element is movably supported opposite to the roof by a four-hinge mechanism (4). The covering element is movable between a closing condition and an opening condition (B). The mechanism has two links (11, 12) that are aligned parallel to a surface of the roof. A hinge arrangement (7) is arranged above the covering element and fastened to the roof. A supporting device is arranged between the roof and the covering element, and comprises a spring arrangement i.e. gas spring arrangement.