Adjustable shelving

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Shelf system consisting of slotted angle irons, perforated with round and oblong holes for mounting shelves by using bolts and nuts Slotted Angle Assembly spanners.jpg
Shelf system consisting of slotted angle irons, perforated with round and oblong holes for mounting shelves by using bolts and nuts

An adjustable shelf is a shelf that can be adjusted according to needs. The most common variant is that the height intervals can be adjusted to accommodate various items. This allows more flexible use to hold items of value for storage, display or sale. Like fixed shelves, the horizontal planes are normally made of strong materials such as wood or steel (occasionally glass or other materials), but their exact vertical positioning can be varied - usually through the use of uprights into which supporting brackets or the shelves themselves can be fixed at different heights. [1]

Contents

For example, in furniture such as a cabinet or bookcase, the vertical elements may be drilled to allow metal or plastic supports to be inserted, and the shelf then rests on the supports. Alternative approaches include the use of grooves on the uprights at either end of the shelf into which the shelf can be inserted. [2]

Adjustable shelves are available in many variants. Pallet racks are some of the toughest adjustable shelves, and can withstand very high loads of up to several tonnes.[ citation needed ]

History

Seeking a more flexible and reusable alternative to wooden shelving to store paper and other consumables in his London-based printing business, engineer Demetrius Comino invented the slotted angle steel construction system, Dexion, and began production in 1947. This quickly became popular internationally for domestic and commercial shelving, warehouse pallet racking and other purposes. [1] [3] Dexion and other shelving and racking brands are still marketed by the Norwegian Constructor Group.

The Dexion-style slotted angle or angle iron was also widely copied by other manufacturers using different configurations of slots, different metal thicknesses, and different metals (e.g.: aluminum).

Application

Purpose-built adjustable shelving systems can be fixed from a wall and/or be floor-standing.

See also

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References

  1. 1 2 Demetrius Comino: A life and legacy of achievement Darbyshire, Anthony, and Duckworth (2011)
  2. "Drive in & Drive Through Racking System". racking.sg. Retrieved 2023-07-15.
  3. "EWPAA Shelving Design Manual" (PDF). Archived from the original (PDF) on 2013-10-19. Retrieved November 11, 2016.