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Mejoras en el objeto de la patente principal nº 224.982 por mecanismo elevador inversor para arados elevables, caracterizadas porque consisten en disponer dichos arados una rueda de reacción montada en un brazo giratorio en un extremo del bastidor oscilante del arado y conectado con el bastidor elevado de manera que la rueda se mantiene normalmente detrás del arado, con respecto al sentido de la marcha, y pasa de un lado al otro de dicho bastidor oscilante cada vez que este último invierte su posición de trabajo.
ES0243341A1958-07-281958-07-28Mecanismo inversor para arados elevables
ExpiredES243341A2
(es)