Patent ID: 8292375

Claim:
An assembly comprising: a plurality of track chain links; a plurality of connectors that connect the plurality of track chain links; a linking pin that axially extends through the plurality of track chain links and the plurality of connectors; a ring of a synthetic material that coats the linking pin, the ring being positioned between the linking pin and a track chain link of the plurality of track chain links, wherein: the linking pin includes a first support on a first side of the ring onto which a first connector of the plurality of connectors is fixed and a second support on a second side of the ring onto which a second connector of the plurality of connectors is fixed, the linking pin includes an axial bore extending longitudinally from the first support to the second support, the bore is blocked on the first side and on the second side by closing means, and the bore is fully and completely hermetic; and a material located in the bore, the material incorporating a liquid phase and enabling calories that may build up in the ring to be evacuated towards the plurality of connectors, a volume of the material in the liquid phase being below a total volume of the bore so as to enable the material to circulate.