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Abonadora perfeccionada caracterizada porque consta de un sistema de accionamiento constituido por un eje que da movimiento a un engrane que a su vez lo transmite a otro al que va acoplada una excéntrica que al motiva el movimiento de una biela pone el funcionamiento un dispositivo especial para producir por medio de unas rejillas la función de abonado propiamente dicha; estando situadas estas citadas rejillas en el fondo de una tolva metálica de forma trapezoidal.