Patent ID: 7726469

Claim:
A conveying system for conveying product along a conveying path, said conveying system comprising: a track element; a plurality of trolleys movable along said track element; a chain connecting to said trolleys for moving said trolleys along said track element; wherein said chain comprises a plurality of chain sections having a pin that connects a respective center chain link with a respective pair of side chain links, each of said center chain links having a pin engaging surface at an end thereof; wherein said pin of a respective chain section extends through said side chain links and said center chain link and connects said side chain links and said center chain link with said center chain link being disposed at least partially between said side chain links, said pin comprising opposite end portions and a shaft portion extending between said opposite end portions, wherein said shaft portion comprises first, second and third wear surfaces for selective engagement with said pin engaging surface of said center chain link; and wherein said pin is selectively adjustable to first, second and third positions relative to said chain links to generally align a respective one of said first, second and third wear surfaces with said pin engaging surface of said center chain link, said pin being generally non-rotatable relative to at least one of said side chain links when in each of said first, second and third positions.