Electrical openers for garage doors; Electrically operated drive units for closing garage doors; Electrically operated drive units for opening garage doors; Electromechanical devices for closing garage doors; Electromechanical devices for opening garage doors; Electromechanical devices for closing doors; Electrically operated drive units for closing doors; Electrically operated drive units for closing grilles; Electrically operated drive units for closing shutters; Electrically operated drive units for opening doors; Electrically operated drive units for opening grilles; Electrically operated drive units for opening shutters