Patent ID: 9598889
Date: 2017-03-21
CPC Classifications: E05F,F16F

Claim:
1. A movement-damping unit, comprising: a receiving tube having a longitudinal axis, a relative movement unit which is received in the receiving tube and which is displaceable back and forth relative to the receiving tube substantially in the direction of the longitudinal axis, and a friction device acting between the receiving tube and the relative movement unit, wherein the friction device comprises at least one switching element assigned to the relative movement unit and having an engagement portion formed so as to widen radially in the direction of the longitudinal axis, at least one resiliently compressible friction element, which comprises a recess intended for engagement with the engagement portion and is arranged on the longitudinal face of smaller diameter of the switching element, being assigned to each switching element; wherein the receiving tube comprises a first longitudinal portion and a second longitudinal portion, the internal diameter of the first longitudinal portion being larger than the internal diameter of the second longitudinal portion, wherein the at least one friction element is displaceable between the first longitudinal portion and the second longitudinal portion.