Patent ID: 7234569

Claim:
A damping device for movable furniture parts, comprising a plunger ( 3 ) which is slidably guided in a hollow body ( 4 ), with said plunger ( 3 ) being impinged upon by a compression spring ( 8 ) into its pushed-out position, wherein the hollow body ( 4 ) comprises at least one section of a spiral-shaped stay ( 5 ) of an internal screw thread and the plunger ( 3 ) comprises at least one section of a spiral-shaped stay ( 6 ) of an external screw thread; the stays ( 5 , 6 ) of the screw threads are glidingly supported one on top of the other; pitch of the stays ( 5 , 6 ) of the screw threads is greater than pitch at which self-locking occurs; and an intermediary piece ( 11 ) separated from the plunger ( 3 ) and having a face resting against a separate face of said plunger ( 3 ), is arranged to be slidably or rotatably guided in the hollow body ( 4 ) directly adjacent to an inner surface of said hollow body ( 4 ) between the compression spring ( 8 ) and plunger ( 3 ).