| 摘要 |
PURPOSE: A rescue ladder with protective cover which is installed in veranda is provided to be folded in a shelter path in a normal time. CONSTITUTION: A rescue ladder with protective cover comprises a front cover(101), a front side hinge, a ladder connection stick(407), a ladder unit, a ladder connection part, a ladder connection pin, a cover, and a key. The front cover covers the front side of the shelter path. The front side hinge clinches one side of the front cover on veranda. The ladder connection stick is adhered and fixed in the side wall of the shelter path in veranda. The ladder connection part interlinks the ladder unit. The ladder connection pin unites the ladder unit and ladder connection part. The cover of back side covers the backside surface of the shelter path.
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