driving devices for operating blinds, curtains, rolling shutters, gates and other roller closings comprising awnings, grilles, doors, and portals; namely, speed reduction gears and transmission elements comprising worm gears, planetary gears, transmission chains, bearings; mechanisms for opening pivoting doors and portals; winches

electrical devices for drawing curtains; namely, electric and electronic assemblies comprising switches, relay boxes, automatic controls allowing the actuation of electrical operators used in curtains; electrical operators and electronic equipment for drawing curtains; namely, automatic controls and units allowing the automated operation by groups and/or individually of several motors used in curtains