A resilient back-rest dampening mechanism for use with chairs having a seat and a backrest, where the mechanism comprises four pivot points；- a first pivot point arranged on a base different from the backrest；- a second pivot point arranged at a distance from the first pivot point on said base, wherein a bracket is pivotally connected to said second pivot point, and where- a third pivot point is provided between said bracket and a first end of a back rest connection member, and said back rest connection member is adjustably connected to a backrest；- where the fourth pivot point is provided in said bracket； and where between the fourth pivot point and the first pivot point is arranged a resilient member, and that all pivot points pivot around an axis, where all pivot axes are parallel.
