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Montagut Cardona M Gloria
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Montagut Cardona M Gloria
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Priority to ES1971166297UpriorityCriticalpatent/ES166297Y/en
Publication of ES166297UpublicationCriticalpatent/ES166297U/en
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Publication of ES166297YpublicationCriticalpatent/ES166297Y/en
Rolling ladder, which is essentially characterized by being constituted by two steel wire spars of indeterminate length, whose upper ends pass through the throat of paths. Corrugated pulleys with central hole, descending a short section next to the branch of ascent in order to join the two branches by means of a clamping sleeve, while the lower ends remain free and through them the steps formed by pieces of metallic pipe are made to pass. Through the transverse holes made at both ends, said steps being placed in the right place and always at equal distance from each other, whose position is made immovable thanks to the fixation of an upper and lower sleeve on each side of the piece tubular, also stepped by the stringers. (Machine-translation by Google Translate, not legally binding)