Conveyors: power-driven – Conveyor section – Endless conveyor
Reexamination Certificate
2007-11-20
2007-11-20
Bidwell, James R. (Department: 3651)
Conveyors: power-driven
Conveyor section
Endless conveyor
C198S690100
Reexamination Certificate
active
11638600
ABSTRACT:
A centering roller which is used with reinforced conveyor belts has permanent magnets within its outer shell to attract the steel cables used to reinforce the lateral portions of the belt. Preferably, the permanent magnets are of the rare earth variety to provide increased magnetic attraction and ensure centering of the belt.
REFERENCES:
patent: 2684753 (1954-07-01), Kolbe et al.
patent: 4623061 (1986-11-01), Pentith
patent: 5036969 (1991-08-01), Garbagnati
patent: 5865298 (1999-02-01), Furlani et al.
patent: 6510941 (2003-01-01), Schermutzki et al.
Carner Marshall A.
Shuttleworth Timothy G
Eriez Magnetics
Thomson Richard K
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