Portable self-contained screw conveyor

Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Including gravity conveyor section or bin with driven conveyor

Reexamination Certificate

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Details

C198S312000, C198S315000

Reexamination Certificate

active

07866456

ABSTRACT:
A portable screw conveyor includes a conveyor boom assembly carrying a conveyor and supported by a portable base having wheels located at each corner of the base which provides support for the conveyor boom assembly. An actuator system preferably with a linear actuator, is provided between the conveyor boom assembly and the portable base to raise and lower one end of the conveyor boom assembly. A conveyor boom assembly preferably carries a flexible screw conveyor.

REFERENCES:
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patent: 4030593 (1977-06-01), Deboffles
patent: 4512687 (1985-04-01), Enns
patent: 4714149 (1987-12-01), Tiede
patent: 4730742 (1988-03-01), Feterl
patent: 4739868 (1988-04-01), Head
patent: 4989716 (1991-02-01), Stuckey
patent: 5230419 (1993-07-01), Millard
patent: 5305866 (1994-04-01), Stewart et al.
patent: 5404993 (1995-04-01), Scarrow
patent: 6588572 (2003-07-01), Lischynski et al.
patent: 6971324 (2005-12-01), Beck

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