UN MECANISMO PARA EMBRAGAR Y EFECTUAR CAMBIOS DE MARCHA EN UN IMPLEMENTO AGRICOLA, DEL TIPO BASTIDOR PROVISTO DE RUEDA PARA LA TRASLACION DEL MISMO, CON UN MOTOR DE IMPULSION ESTANDO EL EJE DE SALIDA DE DICHO MOTOR CONECTADO MEDIANTE ORGANOS DE TRANSMISION DE MOVIMIENTO POR UN LADO, CON UN EJE VERTICAL MONTADO EL BASTIDOR, QUE ACCIONA LAS CUCHILLAS, Y POR EL OTRO A MEDIOS DE TRANSMISION DEL IMPLEMENTO, ESTANDO DICHO BASTIDOR CONECTADO AL COMANDADO POR UNMANUBRIO, QUE COMPRENDE UN PAR DE EJES PARALELOS MONTADOS EN APOYOS FIJOS A UNA ESTRUCTURA ASEGURADA AL BASTIDOR, CON EJES ACOPLADOS POR UN PAR DE ENGRANAJES, FIJOS A DICHOS EJES, CON POLEAS 1ERA, 2DA, EN SOBRE LADOS OPUESTOS DE LA ESTRUCTURA ESTANDO EL EXTREMO DE UNO DE LOS EJES PORTADOR DE LA PRIMERA POLEA PROVISTO DE UNA TERCERA POLEA, DE MAYOR DIAMETRO, LA TERCERA POLEA ES LA CONECTADA AL EJE DE SALIDA DEL REFERIDO MOTOR, Y LAS POLEAS 1ERA. Y 2DA. ESTAN CONECTADAS A POLEAS CUARTA Y QUINTA, MONTADAS EN UN TERCER EJE, DE APOYO GIRATORIO DE LA PARTE INFERIOR CON UN PIÑON CONECTADO A UNA RUEDA DENTADA, FIJADA SOBRE EL EJE DE DICHA RUEDA QUE SON CORREAS CARGADAS, CON BRAZOS TENSORES UBICADOS SOBRE TRANSMISIONES EN LADOS OPUESTOS DE LA ESTRUCTURA, ESTANDO DICHOS BRAZOS UNIDOS A UN CUARTO EJE MONTADO EN LA PARTE SUPERIOR POR ENCIMA DEL PAR DE EJES PARALELOS Y FIJOS A UNA PLANCHUELA; EL CONJUNTO ARTICULADO COMPRENDE UNA PALANCA DE ACCIONAMIENTO MANUAL, ARTICULADO AL BASTIDOR, Y QUEPOSEE UN ORGANO DE ENTRADA DEL MISMO, ESTANDO DICHAS POLEAS PRIMERA Y SEGUNDA PARCIALMENTE CONFINADAS EN RESPECTIVOS DISPOSITIVOS DE CENTRADO DE LAS CORREAS DE DICHAS TRANSMISIONES DE CORREAS CARGADAS, ESTANDO LOS REFERIDOS DISPOSITIVOS FIJOS A LA ESTRUCTURA Y PROVISTOS DE UN ELEMENTO DE GUIA PARA LAS CORREAS EN ESTADO FLOJO, SOBRE LAS POLEAS PRIMERA Y SEGUNDAA MECHANISM FOR CLUTCHING AND MAKING GEAR CHANGES IN AN AGRICULTURAL IMPLEMENT, OF THE FRAME TYPE PROVIDED WITH A WHEEL FOR THE TRANSLATION OF THE SAME, WITH A DRIVE ENGINE WITH THE OUTPUT SHAFT OF SUCH ENGINE CONNECTED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGANIZED BY A TRANSMISSION ORGAN. WITH A VERTICAL AXLE MOUNTED THE FRAME, WHICH OPERATES THE BLADES, AND BY THE OTHER TO MEANS OF TRANSMISSION OF THE IMPLEMENT, BEING SAID FRAME CONNECTED TO THE COMMAND BY A MANUBRIO, WHICH INCLUDES A PAIR OF PARALLEL AXLES MOUNTED ON A STRUCTURE FIXED TO A STRUCTURE , WITH AXLES COUPLED BY A PAIR OF GEARS, FIXED TO THESE AXES, WITH PULLEYS 1ST, 2ND, ON OVER OPPOSITE SIDES OF THE STRUCTURE WITH THE END OF ONE OF THE AXES BEARING THE FIRST PULLEY WITH A LARGER DIAMETER. , THE THIRD PULLEY IS THE ONE CONNECTED TO THE OUTPUT SHAFT OF THE REFERRED MOTOR, AND THE PULLEYS 1ST. AND 2ND. THEY ARE CONNECTED TO FOURTH AND FIFTH PULLEYS, MOUNTED ON A THIRD AXLE, FOR ROTATING SUPPORT OF THE LOWER PART WITH A SPROCKET CONNECTED TO A TOOTHED WHEEL, FIXED ON THE AXLE OF SUCH WHEEL THAT ARE LOADED STRAPS, LOCATED ON TRANSMISSIONS OPPOSITE OF THE STRUCTURE, WHICH ARE SUCH ARMS ATTACHED TO A FOURTH AXLE MOUNTED AT THE TOP ABOVE THE PAIR OF PARALLEL AXLES AND FIXED TO A SHEET; THE ARTICULATED ASSEMBLY INCLUDES A MANUAL OPERATION LEVER, ARTICULATED TO THE FRAME, AND POSSESSING AN ENTRY ORGAN OF THE SAME, THESE FIRST AND SECOND PARTIALLY CONTAINED PULLEYS BEING CONFINED IN RESPECTIVE DEVICES OF SUCH TRANSMISSIONS OF SUCH TRANSMISSIONS. FIXED TO THE STRUCTURE AND PROVIDED WITH A GUIDING ELEMENT FOR THE BELTS IN LOOSE CONDITION, ON THE FIRST AND SECOND PULLEYS