Patent ID: 8220620

Claim:
A load-carrying conveyor chain, comprising: a pair of contiguous links each having a top plate and a link body disposed under the top plate, said body of each link having a head portion comprising a side wall forming a hollow portion that is substantially cylindrical, said side wall having elongated pin holes, and a tail portion having a pair of legs extended from said head portion in the chain longitudinal direction, said legs respectively having pin holes; a bearing body in each link including a shaft rotatable within said hollow portion to form a bearing section, said shaft having a through hole adjacent one end thereof; and having the other end thereof projecting beyond said hollow portion, and a connecting pin extending through said pin holes of said pair of legs of one link, through said elongated pin holes of said head portion of the contiguous link, and through said through hole of said bearing body to retain said head portion formed in said contiguous link is disposed between the pair of legs of said one link to connect the pair of links to form a part of said load-carrying conveyor chain; said projecting end of said bearing body terminating in a flange at the free end.