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
KLAPPBARER TRITTHOCKER MIT FALTBLOCKIERUNGSVERSCHLUSS
ESCABEAU PLIABLE AYANT UN VERROU DE BLOCAGE DE PLIAGE
LAWRENCE KYLE J (author) / XU RUDY (author)
2024-05-15
Patent
Electronic Resource
English