| 摘要 |
A chair, particularly an office chair, comprises a chair column, a seat lower frame supported on the chair colunm in a height-adjustable manner and rotatable relative to a vertical axis, a seat support supported on the seat lower frame turnably about a horizontal axis, a backrest support supported on the seat lower frame turnably about a horizontal axis, at least one spring with adjustable tensioning and supported on the seat lower frame and the backrest support, an adjustable abutment provided for the pressure spring, a control curve against which the adjustable abutment abuts, and an adjusting element arranged to displace the control curve.
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