Suspa Holding Gmbh

Stable II S.a.r.l

Helmut Kastner

Gerhard Wunderling

Holger Knaust

Walter Bohm

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.

Adjustable-height chair column

An adjustable-height chair column comprises an upright tube and a gas spring, the piston rod of which is fixed in the upright tube, and the housing of which is displaceably guided in the upright tube. A safeguard against rotation is provided which, in the extended position, locks the housing and the upright tube against rotation.

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Neukirchen, Germany

Helmut Kastner