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Individual
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Individual
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Priority to ES1971168554UpriorityCriticalpatent/ES168554Y/en
Publication of ES168554UpublicationCriticalpatent/ES168554U/en
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Publication of ES168554YpublicationCriticalpatent/ES168554Y/en
Stair stool, characterized by comprising an upper board, fixed on two end rails, to which are fixed in an articulated manner at their ends two pairs of legs, the two front legs being rigidly joined together by means of at least one intermediate step, and the two rear legs by means of at least one crossbar, and rigid side straps are provided, which at their ends are fixed in articulated form to the front and rear legs corresponding to each side, and rigid straps of lesser length, which by an extremity they are fixed in articulated form to one of the back legs and in the opposite extremity they involve a pivot, which fits in an arched slot, provided in one of the crosspieces on which the upper board is fixed, remaining in a condition of detach along it; all in such a way that the assembly can pass from a position of use in which the upper board occupies a horizontal plane and the frames defined by the posterior and anterior legs occupy converging planes towards the upper part, to a position of storage and transportation in the that the indicated frames are bounced on one another and the plane of the upper surface forms obtuse angle with that of the rear frame. (Machine-translation by Google Translate, not legally binding)