A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FOLDABLE STEP STOOL WITH FOLD-BLOCKING LOCK
A foldable step stool includes an expandable step frame, steps pivotably coupled to the expandable step frame, and a fold-blocking lock coupled to one of the steps. The fold-blocking lock is operable to block pivotable movement of the steps relative to the expandable step frame when once foldable step stool has been opened.
FOLDABLE STEP STOOL WITH FOLD-BLOCKING LOCK
A foldable step stool includes an expandable step frame, steps pivotably coupled to the expandable step frame, and a fold-blocking lock coupled to one of the steps. The fold-blocking lock is operable to block pivotable movement of the steps relative to the expandable step frame when once foldable step stool has been opened.
FOLDABLE STEP STOOL WITH FOLD-BLOCKING LOCK
LAWRENCE KYLE J (author) / XU RUDY (author)
2023-01-12
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
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Leitern