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An attic ladder (US) or loft ladder (UK) is a retractable ladder that is installed into an attic door/access panel. They are used as an inexpensive and compact alternative to having a stairway that ascends to the attic of a building. They are useful in areas with space constraints that would hinder the installation of a standard staircase.
Extension ladder or "telescopic ladder", a fixed ladder divided into two or more lengths for more convenient storage; the lengths can be slid together for storage or slid apart to expand the length of the ladder; a pulley system may be fitted so that the ladder can be easily extended by an operator on the ground then locked in place using the ...
Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...
The ladder can achieve as many as 24 position/height permutations. The ladder folds to a smaller size for storage. The ladder also has "tip-n-glide" wheels to facilitate movement and positioning. The Ladder features flared legs for increased stability. Locking, telescoping side rails allow the various height configurations.
In the case of a yacht, the choice of the most suitable type of boarding ladder will depend on the size of the yacht, the space available on the dock, etc. [11] There are different types of boarding stairs: [12] Telescopic boarding stairs: These ladders extend and retract as needed. They are ideal for yachts with different deck heights.
A detrainment device may consist of a manually placed, hinged, foldable or telescopic ladder or ramp. A detrainment device may allow evacuation to track level, or to a coupled railcar. A detrainment device may be fitted with handrails.
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