| 摘要 |
PURPOSE: An emergency ladder structure is provided to enable user to escape by securing an emergency exit and a ladder. CONSTITUTION: An emergency ladder structure comprises a cover member(10), a storage member(20), a foldable ladder(40), and a support member(30). A handle is formed on one side of the cover member which has a first fixing member for preventing the falling of the support member. The storage member is positioned at the lower part of the cover member and is connected one side of the cover member by a hinge. The support member is positioned at the lower part of the storage member and is connected to one side of the storage member by a hinge. The foldable ladder is accommodated in the storage member and comprises cross members and vertical members.
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