Load compartment cover for vehicles, in particular for station wagons or the like

The device has rotary driven spool shaft in a roller housing (11) reversibly fitted to the vehicle to accommodate a band of material with its inner edge attached to the shaft and its outer edge for reversible attachment to the vehicle. At least one vehicle aperture (17) has at least one electrical contact pair (K1) with complementary roller housing contacts (K2) to make a contact when the roller housing is fitted that is secured by a lock (24,25).