Conveyor

An endless article conveyor for transporting articles placed thereon comprising:

• an elongated conveyor track having an upwardly opening longitudinal guide slot therein, said guide slot having upright longitudinal sidewalls with mutually opposed, transversely extending longitudinal side slots recessed therein, said guide slot having a bottom with a longitudinal running rail upstanding from said bottom and centered between said sidewalls and having a width dimension narrower than the spacing between said sidewalls;
• an endless article support conveyor chain engaged and longitudinally movable in said guide slot, said chain comprising a series of links successively interconnected, links at regular intervals in said series having opposed substantially flat stabilizer tabs extending transversely into and slidably engaged in the respective side slots, links at regular intervals in said series having transversely spaced upright sideplates downwardly overlapping respectively opposite sides of said rail, links at regular intervals in said series carrying and being supported by transversely extending chain rollers disposed in longitudinal rolling engagement with the top of said rail, said chain projecting upwardly above the track to engage load articles for moving the same along said track, wherein the track comprises a unitary elongated extrusion of polymeric synthetic material having top and opposite side faces, said guide slot comprising an inverted T-shaped slot formed opening upwardly on said top face with an integral rib upstanding from the bottom of the guide slot to form said rail.