Conveyors: power-driven – Conveyor section – Load-supporting rolls moved about endless path
Reexamination Certificate
2006-11-21
2006-11-21
Bidwell, James R. (Department: 3651)
Conveyors: power-driven
Conveyor section
Load-supporting rolls moved about endless path
C198S853000
Reexamination Certificate
active
07137504
ABSTRACT:
A conveyor chain having fewer parts is disclosed. The assembly and decomposition of the chain conveyor and the removal of the ball and the like can be easily performed. In a conveyor chain100in which chain links110having article loading portions111on which articles are loaded are adjacently, endlessly connected with each other with connecting pins. Between the hinge portions113disposed on one side edge of the article loading portion111is formed a U-shaped cutout portion115having a ball holding inner peripheral surface115a, a free ball130inserted between a hinge portion112of the chain link110oppositely adjacent to the U-shaped cutout portion115and the U-shaped cutout portion115is rotatably held by the ball holding inner peripheral surface115aand a stopper140. The upper and lower portions of the free ball130are protruded from a surface of the article loading portion111and a lower end of the link portion114, respectively.
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Murakami Yoshihiro
Ozaki Hajime
Shibayama Katsutoshi
Bidwell James R.
Tsubakimoto Chain Co.
Woodling Krost and Rust
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