7 Conveying machinery; conveying machinery components, namely, roller elements for conveyor belts, roller conveyor belts and chain conveyor belts, namely, machine components and structural parts containing rolls for roller conveyors and for conveyor belts and for drives for conveyor installations, in the nature of rolls, rollers, roller bearings and roller conveyors; conveying machinery components, namely, deflection elements and deflection devices for conveyor belts and chain conveyor belts, namely, deflectors, guide tracks, construction elements and machine parts for deflecting goods and for deflecting conveyors and conveyor elements, in the nature of rolls, rollers, roller bearings, deflectors, recirculating roller bearings, and roller conveyors; conveying machinery components, namely, guiding devices for rollers in roller elements, namely, guide tracks, guard rails, chain guides, carriers, namely, carrier belts and carrier rollers, guide rolls, guides, bar guides, belt guides; conveying machinery components, namely, roller elements for mechanical storing, conveying and deflection of moved or to be moved objects, namely, machine components and structural parts containing rolls for roller conveyors and for conveyor belts and for drives for conveyor installations, rolls and rollers; drives for conveyor installations with roller elements