Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Reexamination Certificate
2007-12-18
2010-06-29
Crawford, Gene (Department: 3651)
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
C198S497000, C198S499000
Reexamination Certificate
active
07743909
ABSTRACT:
A conveying installation for transporting goods has a conveyor belt that is guided over deflecting drums in a loading station and in an unloading station. The conveyor belt is mounted to the underside of supporting bars which are oriented transversely to the movement direction of the conveyor belt. Supporting rollers mounted in each case at the two lateral ends of the supporting bars roll on two pairs of supporting cables or supporting rails which are provided along the installation and are respectively assigned to the forward strand and the return strand of the conveyor belt. An assembly for cleaning the conveyor belt is formed with a scraper strip or the like which can be moved in the direction of the conveyor belt by way of a closed-loop controller, which is controlled by the position of the supporting bars. The scraper strip is brought more or less into abutment against the conveyor belt between the supporting bars, and it is raised off from the conveyor belt in the region of a supporting bar.
REFERENCES:
patent: 4182444 (1980-01-01), Fisher
patent: 6283274 (2001-09-01), Dolan et al.
patent: 6588583 (2003-07-01), Trieb
patent: 2008/0053792 (2008-03-01), Swinderman et al.
patent: 19853519 (2000-05-01), None
Crawford Gene
Cumbess Yolanda
Greenberg Laurence A.
Innova Patent GmbH
Locher Ralph E.
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