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An office chair, or desk chair, is a type of chair that is designed for use at a desk in an office. It is usually a swivel chair , with a set of wheels for mobility and adjustable height. Modern office chairs typically use a single, distinctive load bearing leg (often called a gas lift ), which is positioned underneath the chair seat.
Office swivel chairs, like computer chairs, usually incorporate a gas lift to adjust the height of the seat, but not usually large (e.g. recliner) swiveling armchairs. A draughtsman 's chair is a swivel chair without wheels that is usually taller than an 'office chair' for use in front of a drawing board .
The improved swivel caster was invented in 1920 by Seibert Chesnutt, US Patent 1341630, which was easily manufactured by stamping, and incorporated ball bearings for longer life. Basic swivel casters were in evidence in Charles Darwin's famous "office chair" as early as the 1840s.
TIL Charles Darwin created the office chair, he put wheels on the bottom of his chair so he could roll between specimens. ... TIL the total number of Americans over 7-feet tall is estimated ...
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The tires can take on 12-degree inclines and the chair itself can fold down to 13 inches tall in just a few seconds. ... radius since the wheels are located directly beneath where the user sits ...
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