Telescopic platform ladder
The utility model discloses a telescopic platform ladder which comprises a herringbone ladder with an opening working state and a folding working state, the herringbone ladder comprises two first ladder rods, two second ladder rods, a plurality of steps, a platform plate, two first telescopic feet,...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a telescopic platform ladder which comprises a herringbone ladder with an opening working state and a folding working state, the herringbone ladder comprises two first ladder rods, two second ladder rods, a plurality of steps, a platform plate, two first telescopic feet, two second telescopic feet and a locking assembly, one end of the platform plate is rotationally arranged between the two first ladder rods, and the other end of the platform plate is rotationally arranged between the two second ladder rods. The middle part of the first ladder rod is rotationally connected with the two second ladder rods through a hinge assembly, the two first ladder rods are respectively arranged in the corresponding first telescopic legs in a sliding manner, and the two second ladder rods are respectively arranged in the corresponding second telescopic legs in a sliding manner; and the locking assemblies are respectively arranged on the outer side surfaces of the top ends of the corresponding fir |
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