Patent ID: 7975994
Filing Date: 2011-07-12
Classification: F16F

Abstract:
1. A displacement element, comprising: a cylindrical housing filled with a pressurized fluid and having a closed end and an open end, said cylindrical housing having first and second sections, said second section of said cylindrical housing having an internal diameter that is larger than an internal diameter of said first section; a first piston arranged in said cylindrical housing and connected to a axially displaceable piston rod which extends sealingly through said open end of said cylindrical housing, said first piston having a diameter adapted to a diameter of said first section for dividing said first section into two pressure chambers; a second piston arranged in said cylindrical housing on a side of said first piston facing away from said piston rod, said second piston having a diameter adapted to a diameter of said second section for dividing said second section into two pressure chambers, said second piston being displaceable by said first piston in a direction away from said open end, wherein said first piston is being arranged to damp movement in one axial direction and said second piston is arranged to damp movement in another axial direction, said second piston comprises tongues facing radially outward and toward said first piston on a side of said second piston facing said first piston, said tongues being spaced apart circumferentially and extend radially outwards beyond the internal diameter of said first section; and a spring supported between said second piston and said closed end of said cylindrical housing.