Fixing device for rigid suitcases in a load compartment of a vehicle

Recessed retainer rails (4) in the floor of a luggage space (3) have securing parts (5) for rigid cases (6). Corresponding securing elements (10) in the base of the cases lock with the securing parts. Actuator elements (7,8,9) for manual release of locking parts and elements are located on the case or in the luggage space. Securing parts and elements, and the rails are position on the level of impact loads.