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Priority to ES1973187355UpriorityCriticalpatent/ES187355Y/es
Publication of ES187355UpublicationCriticalpatent/ES187355U/es
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Publication of ES187355YpublicationCriticalpatent/ES187355Y/es
Dispositivo de accionamiento de persianas venecianas, caracterizado esencialmente porque comprende una corona, accionada por un tornillo sinfín, que transmite un movimiento de rotación a un tubo cilíndrico en el que se enrollan los cordones de extensión y recogida de las persiana fijados a él, y del que penden los terminales de las escalillas que soportan las lamas; dicho tubo cilíndrico, durante su rotación, se desplaza axialmente en uno u otro sentido según el de giro, para proporcionar un enrollamiento helicoidal y uniforme de los cordones.
ES1973187355U1973-01-031973-01-03Dispositivo de accionamiento de persianas venecianas.
ExpiredES187355Y
(es)