7 Machines and machine components for the printing industry, in particular for mailroom equipment and the further processing of printed products, namely, conveyor systems, comprised of conveyor chains and guiding devices thereof, conveyors, clamps, grippers, conveyor belts and cam chain conveyors; machines and machine components for the printing industry, namely, devices for inserting printed products, devices for collating printed products, devices for gathering, stitching, binding, gluing, trimming, folding, packaging, sorting, bundling, stacking, strapping, wrapping and palletising of printed products; machines for the arrangement of printed products into scaled streams and winding stations; machines for storing printed products, in particular for winding, stacking, suspending or depositing, machines for marking printed products and formations of printed products, in particular for labeling, applying labeled cover sheets and for addressing printed products; machines for applying advertising and information carriers in the nature of samples of goods, data carriers, cards, partially self-adhesive slips and multi-page printed products in the nature of booklets; machines and machine components for conveyors, namely, conveying installations and conveying equipment, comprised of conveyor chains and guiding devices therefor, namely, compression-resilient elements and guiding devices therefor, grippers for conveying installations, conveyors, spiral conveyors, belt conveyors, band conveyors, chain conveyors, rope conveyors; machines and machine components for transporting, commissioning, sorting and handling of objects, namely, conveying machines, carriages, grippers, conveyor belts, conveyors, buffering and storing devices, packers and palletizers; machines and machine components for conveying equipment, namely, roller elements for conveyor belts, roller conveyor belts and chain conveyor belts, namely, deflection elements and deflection devices for conveyor belts, chain conveyor belts, namely, guiding devices for rollers in roller elements, namely, roller elements for mechanical storing, conveying and deflection of moved or to be moved objects; machine parts, namely, drives for conveyor machines with roller elements