Adjustable-height chair column

Details Adjustable-height chair column Adjustable-height chair column

A - Human Necessities

47

C

A47C 3/30 (2006.01) A47C 7/00 (2006.01)

Patent

CA 2493832

An adjustable-height chair column comprises an upright tube and a gas spring that is disposed coaxially in the upright tube. The gas spring comprises a valve for actuation of the gas spring. This valve is embodied for opening upon relief of the casing of the gas spring in relation to the upright tube.

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