Coupling machines; packaging machines; machines and machine parts for manufacturing mattresses, namely, roller laminating machines, laminating machines, spraying and bonding machines, automatic bonding machines, adhesive-spraying and foam-bonding machines, spraying machines, automatic spraying machines, hot-melt machines, automatic hot-melt machines, presses, presses with automatic lifting systems, namely automatic lifting machines and their structural parts, mattress stackers, mattress presses and stackers, automatic machines for pressing and stacking of mattresses, mattress trimmers, automatic trimming machines, mattress drilling machines, automatic drilling machines, robots for manufacturing mattresses, robotic loading and unloading machines, anthropomorphic robots for manufacturing mattresses, anthropomorphic robots equipped with clamp systems for manipulating mattress components, anthropomorphic robots for the mattresses industry, automated machines for mattress assembly, automated gluing machines for mattress assembly, gluing machines for mattress assembly, conveyor belts, conveyor belts with adjustable width, roller tables, roller conveyor belts, conveyor belts for loading and unloading mattresses and mattress parts, guns for spraying glue, guns for spraying solvents, alignment bars, automatic glue feeders, pneumatic presses for fabricating mattresses, automatic presses for fabricating mattresses, automatic machines for pressing and palletizing mattresses, automatic pallet feeder machines, automatic machines for stacking mattresses, position recognition systems, namely machines controlled by software to recognize the position of the mattress when it is on the machine, machine parts for safety protection using photo-sensors, machine parts for worker safety areas, cutting dies, cutting machines, contour cutting machines, PU foam machines, convoluting machines, splitting machines; touch screen electronic controls, electrical panels, and switchboards each sold as integral components of the machines listed herein