Patent ID: 6855081

Claim:
An articulated chain ( 1 ), comprising chain links ( 2 , 3 ) interconnected at chain hinges, each chain hinge comprises a hinge pin ( 5 ) and a hinge bearing ( 7 ) surrounding the hinge pin ( 5 ), the hinge pins ( 5 ) being provided with a bonded layer ( 9 ) on the Outer circumferential surface ( 10 ) thereof, the hinge bearings ( 7 ) being produced from a sintered material, and the bottom of the bonded layer ( 9 ) being provided with teeth ( 11 ), with the bottom facing the base material ( 12 ), and with the average teeth height (H M ) of the teeth ( 11 ) lying between 0.25 and 0.5 of the layer thickness (T) of the bonded layer ( 9 ).