Carbon-fiber "chairless chair" improves ergonomics in Audi production plants

05/03/2015

Audi is testing a new technology that eases many assembly activities at its Neckarsulm plant: the so-called "chairless chair." The device's carbon-fiber construction allows employees to sit without a chair. At the same time, it improves their posture and reduces the strain on their legs.

The chairless chair, which Audi has further developed together with a Swiss start‑up company, is an exoskeleton that is worn on the back of the legs. It is fastened with belts to the hips, knees and ankles. Two leather‑covered surfaces support the buttocks and thighs while two struts made of carbon‑fiber‑reinforced plastic (CFRP) adapt to the contours of the leg. They are jointed behind the knee and can be hydraulically adjusted to the wearer's body size and the desired sitting position. Body weight is transferred into the floor through these adjustable elements. The chairless chair itself weighs just 2.4 kilograms.
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