Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Reexamination Certificate
2008-05-13
2008-05-13
Crawford, Gene O. (Department: 3651)
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
C198S494000, C198S499000
Reexamination Certificate
active
11078824
ABSTRACT:
A conveyor belt cleaner system and method of manufacturing the same comprising a common component support frame, and key components of: mounting bar, blade support and scraper blade wherein the scraper blade is removably secured within a reusable blade support so as to allow replacement of the scraper blade. The mounting bar is adapted to be deformable along at least one of an x-axis, a y-axis, and a z-axis. The scraper blade flexes in cooperation with the deformed mounting bar to maintain scraping engagement with a belt across a range of belt contours, including variations resulting from the use of crown pulleys, and variations caused by the presence of worn belts, in the conveyor belt system.
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The International Preliminary Report on Patentability (Chapter II of the Patent Cooperation Treaty) mailed Aug. 7, 2007, in International application No. PCT/US2005/42586 published Jun. 13, 2006. This PCT application claims priority to the present U.S. Appl. No. 11/078,824 and to U.S. Appl. No. 10/996,957.
Crawford Gene O.
Martin Engineering Company
Nicholson, III Leslie A
Thompson & Coburn LLP
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