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VILARRASA RIMBAU
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VILARRASA RIMBAU
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Application filed by VILARRASA RIMBAUfiledCriticalVILARRASA RIMBAU
Priority to ES345847ApriorityCriticalpatent/ES345847A1/en
Publication of ES345847A1publicationCriticalpatent/ES345847A1/en
"Swell propulsion apparatus", characterized essentially by being constituted by a rectangular frame provided with a certain number of vanes, supported by their ends on respective pivots and with free movement, said vanes being of trapezoidal section, with their two larger sides forming a slight concavity and because said pallets are of reduced length to avoid bending thereof, the intermediate intercalation of one or more tie rods being provided. (Machine-translation by Google Translate, not legally binding)
ES345847A1967-09-261967-09-26Surf propulsion apparatus. (Machine-translation by Google Translate, not legally binding)
ExpiredES345847A1
(en)