Patent ID: 7757838

Claim:
A link of a conveyor chain, comprising: connection means for articulated connection to a similar and adjacent link; a main base body; two shoulders, which protrude upward from ends of transverse sides of said main base body and are arranged parallel to a direction of advancement of said chain; a pair of first and second shafts having ends thereof respectively associated with said pair of shoulders; first rollers being rotatably associated with said first and second shafts; second rollers associated on said pair of first and second shafts, said second rollers having a smaller diameter than said first rollers; at least one pair of first supporting elements that support, in a condition in which the link is loaded, said second rollers, said at least one pair of supporting elements being activatable when a load passes and protrude from said main base body and lie on a plane which is transverse with respect to said pair of first and second shafts; at least one pair of second supporting elements which protrude from said main base body and lie on a plane which is parallel to and distinct with respect to the plane on which said first supporting elements lay; and, a slider supported by said at least one pair of second supporting elements and having ends thereof which are free and are supported on said main base body.