| 摘要 |
A folding ladder includes a first side rail and a second side rail, and at least one rung pivotally attached at its ends to the first and second side rails. The ladder further includes at least one diagonal locking member having a first portion pivotally attached at a first end to the first side rail and a second portion pivotally attached at a first end to a second end of the first portion and a second end pivotally attached to the second side rail. The locking member locks the folding ladder in a use position.
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