Patent ID: 6811507
Filing Date: 2004-11-02
Classification: B21L,F16G,F16H

Abstract:
A plate-link chain for engagement with conical disk surfaces of pulleys in continuously variable, conical disk transmissions, said chain comprising: a plurality of chain links extending along a chain movement direction and including side-by-side and end-to-end plate links having openings to receive articulation members formed as pairs of rocker members received in the openings of the plate links and having rocker surfaces supported against each other, wherein at least end faces of the rocker members that operatively contact surfaces of conical disks of a transmission have a nitrogen-enriched outer layer in the form of a carbon-nitrided layer, and wherein the conical disk surfaces engaged by the rocker member end faces have a nitrogen-enriched outer layer in the form of a carbon-nitrided layer.