| 摘要 |
PROBLEM TO BE SOLVED: To provide a stepladder to surely fix a scaffolding plate of the stool using a rubber band. SOLUTION: An auxiliary piece to be fixed by the rubber band is attached to a conventional stepladder. More particularly, two hook piece are fitted to the reverse side of a treat of each step at the width position when the scaffolding plate is placed at the center, and a plurality of rubber band hook stoppers are fitted to the reverse side of the treat of each step.
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