Little Giant Ladder System
Encyclopedia
Wing Enterprises is a Springville, Utah
Springville, Utah
Springville is a city in Utah County, Utah, United States. It is part of the Provo–Orem, Utah Metropolitan Statistical Area. The population was 20,424 at the 2000 census, while the 2008 estimates placed it at 28,520. Just minutes south of Provo, Springville is a bedroom community for...

 company, and the largest manufacturer of American-made ladders. The company produces the Little Giant Ladder System, a convertible aluminium
Aluminium
Aluminium or aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al, and its atomic number is 13. It is not soluble in water under normal circumstances....

 ladder
Ladder
A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that can be leaned against a vertical surface such as a wall, and rope ladders that are hung from the top. The vertical members of a rigid ladder are called stringers or stiles . Rigid ladders are usually...

 system. The founder of Wing Enterprises, Harold Ray Wing (aka Hal Wing), came across a prototype of the ladder in Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 in the 1970s. He patented the design in the United States and began manufacturing the ladder in his home and selling it at trade shows
Trade fair
A trade fair is an exhibition organized so that companies in a specific industry can showcase and demonstrate their latest products, service, study activities of rivals and examine recent market trends and opportunities...

.

Features

The ladder itself is capable of being converted into several heights and configurations from a single ladder. Configurations include a straight or extension ladder, an A-frame ladder, a staircase ladder (an uneven A-frame for use on stairs), a 90° ladder, and both sides of a scaffolding trestle achieved through a triple locking hinge. Each of the ladder positions has three heights in one ladder. 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. Trapezoidal rungs create a stable standing surface. They are attached using "double zig-zag" welds.

Type IA

  • Industrial extra heavy duty 300 lbs rated
  • Available in Model 13, Model 17, Model 22 and Model 26

Type IAA

  • Industrial special duty 375 lbs rated
  • Available in Model 13, Model 17 and Model 22

Ultra Step

  • Industrial extra heavy duty 300 lbs rated
  • Available in both aluminium and fibreglass versions
  • Adjustable from 5 to 8 feet as a single sided stepladder
  • Can be used in the parallel (or 90 degree) position against a wall

SkyScraper

  • Industrial extra heavy duty 300 lbs rated
  • Available in Model 15 (adjustable 8 to 15 feet), Model 17 (adjustable 9 to 17 feet), and Model 21 (adjustable 11 to 21 feet)

Little Giant Fibreglass

  • Industrial extra heavy duty 300 lbs rated
  • Made from a special high-quality non-conductive resin
  • Available in Model 17 and Model 22

Safety Step

  • Available in two-step, three-step and four-step models
  • Made from rugged, corrosion-resistant aluminium alloy
  • Collapse to 5-inch storage depth

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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