Conveyors: power-driven – Conveyor frame or casing – Adjustable conveyor frame or casing
Reexamination Certificate
2008-03-25
2008-03-25
Bidwell, James R. (Department: 3651)
Conveyors: power-driven
Conveyor frame or casing
Adjustable conveyor frame or casing
C198S678100
Reexamination Certificate
active
07347321
ABSTRACT:
A flexible conveyor rail to be used as a part of a conveyor system such as a trolley conveyor system or a cross bar conveyor system wherein the flexible conveyor rail freely bents downwardly or upwardly within a predetermined range. The flexible conveyor rail is configured with a plurality of rail pieces arranged in a longitudinal direction of the flexible conveyor rail, a plurality of stopper pieces each being connected to a corresponding one of the rail pieces, a link chain for connecting each set of the rail piece and the stopper piece to other set of the rail piece and the stopper piece to be freely bent in a vertical direction. A link plate of the link chain is attached to a corresponding one of the rail pieces.
REFERENCES:
patent: 4154336 (1979-05-01), Sorokin
patent: 5033605 (1991-07-01), Marquart
patent: 5101734 (1992-04-01), Sakai
patent: 5188035 (1993-02-01), Sakai
Bidwell James R.
Clark & Brody
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