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LLINARES DEL POYO ADOLFO
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LLINARES DEL POYO ADOLFO
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Application filed by LLINARES DEL POYO ADOLFOfiledCriticalLLINARES DEL POYO ADOLFO
Priority to ES0067788UpriorityCriticalpatent/ES67788Y/en
Publication of ES67788UpublicationCriticalpatent/ES67788U/en
Application grantedgrantedCritical
Publication of ES67788YpublicationCriticalpatent/ES67788Y/en
Mobile ladder with its own movement, characterized by that it consists of sections of steps in scissors, in such a way that, below the upper rung of one of its sections, it crosses it from part to part, which at its ends has a crank joined together and, between this steering wheel and the stringer, it has a fixed pinion attached to the axle, which pinion engages in a transmission chain that comes from another fixed pinion solidly joined to another axle that, below the lowest rung, traverses from side to side in parallel to the first the section of the staircase, carrying said axis at its ends, two wheels, united solidariamente one of them and crazy the other, just as crazy are also two other wheels on a third axis, which crosses from part to part the other section of stairs below the lowest step, while at the height of the highest, a hook is fixed at half height of the first section and, in series with the fixed pinions, another crazy tensioner goes. (Machine-translation by Google Translate, not legally binding)
ES0067788U1958-08-041958-08-04
Mobile ladder with own movement
ExpiredES67788Y
(en)