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Wing Enterprises is an American company headquartered in Springville, Utah company, the largest American manufacturer of ladders as of 2005. [1] The company produces the Little Giant Ladder System, a convertible aluminium ladder system. The founder of Wing Enterprises, Harold Ray "Hal" Wing, came across a prototype of the ladder in Germany in
An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.
Stairs are a structure designed to bridge a large vertical distance between lower and higher levels by dividing it into smaller vertical distances. This is achieved as a diagonal series of horizontal platforms called steps which enable passage to the other level by stepping from one to another step in turn. Steps are very typically rectangular.
The Fire Department of New York purchased two Sutphen 100+ tower ladder quints in 1981. They were the tallest tower ladders in the city [15] until they were taken out of service. Aerialscope only sold 75 foot towers until they developed 95 foot versions in 1985. The patch of Ladder 119 in Brooklyn still has an image of their Sutphen.
The ladder was developed to access buildings via enclosed alleys, lightwells and yards to which other types of ladder could not be taken. A pair of men and two ladders could be used to scale a building to considerable heights, by climbing from floor to floor and taking the ladders up behind and pitching to the next floor. Historical French design
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