Patent ID: 6296090
Filing Date: 2001-10-02
Classification: B60G,F16F

Abstract:
A damper for damping rotary movement comprising:an outer casing having a main chamber and a pair of piston orifices, said main chamber and said piston orifices being filled with a damping fluid;a cam pivotably mounted in said main chamber, said cam being attachable to an arm for imparting said rotary movement to said cam;a pair of pistons, each of said pistons being located in one of said piston orifices, said pistons being coupled to opposed sides of said cam such that when said arm transfers said rotary movement to said cam, each piston is moved in opposite directions in its respective piston orifice to damp said rotary movement of said arm, said casing including a return path connecting said main chamber to said piston orifices; andan accumulator for receiving overflow portions of said damping fluid, wherein said accumulator includes a slidable gas cup to maintain pressure in said accumulator.