Gas lift chair
Gas lift chair

Gas lift chair is a form of office chair that allows the user to modify their height in relation to the height of a desk, leading to an increase in comfort and ergonomic benefit.

The concept of using a gas spring to aid the adjustment of chairs is described in patent GB 1261658, issued in 1972 to Drabert Soehne of Minden, Germany and cites the inventor as Drabert Fritz. Nearly all gas cylinders are 28 mm (1.102 inches) in diameter, a worldwide standard.