Patent ID: 6138820
Filing Date: 2000-10-31
Classification: B65G,F16G

Abstract:
A link for a chain having a plurality of links, the link being attached to a forward and a rearward link of identical construction, the link comprising:a connecting pin having a rim at each end and a connecting shoulder extending inwardly from each rim, a portion of each connecting shoulder for engaging with the rearward link;a left sidewall and a right sidewall, each sidewall having a rearward plate and a forward plate that is inwardly offset from the rearward plate, each rearward plate having a slotted aperture with a first portion sufficiently large for the rim to pass through and a second portion having a diameter and construction to snap engage a portion of the connecting shoulder and the forward plates each having an open ended slot for engaging the forward link; anda roller rotatably disposed on the pin between the rearward plates.