Patent ID: 6893010

Claim:
A rod sleeve for coupling a wheel set guide arm to a rail vehicle frame, the rod sleeve comprising: (a) a metal or plastic core having a longitudinal axis Y and a normal axis X, and formed from two core halves assembled with an interference fit by an insertion slot system, said core comprising: (i) a core hub having two opposite faces with respective diameters D 1 and D 2 , and a tapered region disposed between said two opposite faces, said tapered region having an angle α with respect to said longitudinal axis Y and forming a diameter D 3 at a central portion of said core hub; and (ii) a core pin projecting out from each of said two opposite faces along said longitudinal axis Y and forming two connecting journals; (b) a metal or plastic outer sleeve disposed around said core hub and formed from two sleeve halves assembled with an interference fit by an insertion slot system, said outer sleeve having a total length L along said longitudinal axis Y and an outside diameter D; and (c) an elastic layer disposed between said outer sleeve and said core hub and formed from two elastic layer halves spaced a distance L 1 from one another, said elastic layer having a total length L 2 along said longitudinal axis Y, including said distance L 1 , wherein said total length of said elastic layer L 2 is less than said total length of said outer sleeve L; Wherein a contact surface of said core hub and a contact surface of said outer sleeve extend in a manner essentially corresponding to said elastic layer.