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Un dispositivo desatrancador, que se caracteriza por estar constituido por un tubo formado por las espiras de un hilo de acero arrollado helicoidalmente, que en uno de sus extremos va introducido en un casquillo de mayor diámetro, sobresaliendo por la boca opuesta de este casquillo una manivela que es solidaria del mencionado tubo y en el otro extremo lleva aplicado un elemento guiador, por ejemplo una cabecilla esférica, y un pequeño gancho.