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Un barquito de juguete de autopropulsión, caracterizado por estar provisto en la popa de dos prolongaciones laterales (2, 2') terminadas en gancho (3, 3') y sobre las cuales está montado un anillo elástico tenso (4) que abraza una paleta (5), de modo que al dar torsión a dicho anillo elástico mediante la paleta mencionada y dejar después el barquito en el agua, el citado anillo, al destorcerse, imprime a la paleta un movimiento rotatorio, a modo de rueda hidráulica, que impulsa al barquito.
ES0046223U1955-02-031955-02-03Un barquito de juguete de autopropulsión
PendingES46223U
(es)