Step-lad′der.
A portable ladder usually having flat steps, and its own means of support by struts or posts.
In Fig 5777, the ladder is stayed at the required extension by a notched brace, which catches upon a round; the feet of the upper plat form rest upon the rounds of the ladder.
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Orchard-ladder. |
[
2376]
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Step-ladder. |
In
Fig. 5778, the brace and stay-rods slide on the staples, so as to allow of folding together or spreading apart of the sides and legs in position for use.
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Library-ladder. |
In
Fig. 5779, the notched pivoted side pieces are braced together, inclosing the hinged supporting legs and folding together for removal.
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Stepped gage. |