Conveyors: power-driven – Conveyor section – Screw
Reexamination Certificate
2008-01-01
2008-01-01
Hess, Douglas A (Department: 3651)
Conveyors: power-driven
Conveyor section
Screw
C198S658000, C198S672000, C198S673000
Reexamination Certificate
active
07314131
ABSTRACT:
An elevating conveyor for flowable material comprises an inlet (14) and an outlet (20) at opposite ends of a tubular barrel (1) surrounding a helical elevating member (2). Elevating member (2) is restrained against rotation about a longitudinal axis and tubular barrel (1) is co-axially rotated about elevating member (2) by a drive mechanism (16).
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Daly, Crowley & Mofford & Durkee, LLP
Hess Douglas A
Olds Elevator, LLC
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