US Patent 7922243 Vehicle roof having high inherent stiffness

A vehicle roof having an opening, a folding arrangement, and a device for receiving the folding arrangement. The folding arrangement has at least two slats made of plastic which are arranged parallel to one another, and the folding arrangement can be retracted, while being folded, into the device in order to at least partially unblock the opening. The folding arrangement closes the opening completely when in the closed position. The slats are curved as a result of bracing when in the closed position and are oriented in a substantially flat and plane-parallel manner when retracted into the device.