Patent ID: 6666327
Filing Date: 2003-12-23
Classification: A21C,B65G

Abstract:
For use in a conveyor track of the type comprising a bottom wall, opposed side walls, and a top wall having a slot formed therein and characterized by predetermined interior dimensions, a conveyor chain comprising:a plurality of substantially identical conveyor links each including: (a) a first link portion having first and second ends; (b) a second link portion having first and second ends; (c) the first end of the first link portion adapted for engagement with the second end of the second link portion of the next preceding link to connect the links one to another; (d) a first pivot pin connecting the second end of the first link portion to the first end of the second link portion for pivotal movement about a nominally horizontal axis; (e) at least two first wheels pivotally supported on the first pivot pin and engaging the bottom wall of the track for supporting the conveyor chain for movement along the track; (f) bearing means supporting the first wheels on the first pivot pin for rotation relative to the link portions; (g) a second pin connecting the first end of each first link portion to the second end of the second link portion of the next preceding link for pivotal movement about a nominally vertical axis; (h) at least one second wheel pivotally supported on the second connecting pin for centering the conveyor chain within the conveyor track; and (i) bearing means supporting the second wheel on the second connecting pin for rotation relative to the link portions.