Retractable warehousing step ladder
The utility model discloses a retractable warehousing step ladder which comprises a pedal plate which is mainly used as a pedal structure of a user, the left side and the right side of the pedal plate are respectively provided with a first supporting connecting rod, and the first supporting connecti...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a retractable warehousing step ladder which comprises a pedal plate which is mainly used as a pedal structure of a user, the left side and the right side of the pedal plate are respectively provided with a first supporting connecting rod, and the first supporting connecting rods are arranged in two groups in a bilateral symmetry mode relative to the vertical center line of the pedal plate; the two sets of second supporting connecting rods are symmetrically arranged on the left side and the right side of the pedal plate, the second supporting connecting rods are arranged on the rear sides of the first supporting connecting rods, and the second supporting connecting rods and the first supporting connecting rods are symmetrically arranged in the front-back direction relative to the vertical center line of the pedal plate; the pin shafts are fixedly installed on the outer wall of the front side of the first supporting connecting rod, and the two groups of pin shafts are symmetrically a |
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