Compactly foldable radial luffing stacker

Details Compactly foldable radial luffing stacker Compactly foldable radial luffing stacker

1979-06-29

1981-01-20

Valenza, Joseph E.

Conveyors: power-driven

Conveying apparatus entirely supported by mobile ground...

Conveyor shiftably mounted on vehicle

178318, 178632, B65G 1522, B65G 2110

Patent

active

042457327

ABSTRACT:
An elevating conveyor for a portable luffing stacker adapted to be collapsed and folded from an erected operational position to a compactly folded transport position. An elevating conveyor frame, which supports an endless belt conveyor has five frame sections pivotally connected to each other an canted to permit compact folding of the frame sections. A mast structure, which supports the elevating conveyor frame when in its operational position, includes a tower mast section pivotally foldable relative to a base mast section to a horizontal transport position about a substantially horizontal first pivotal axis and a telescopic mast section supporting the elevating conveyor frame which is telescopically movable relative to the tower mast structure upwardly to an operational position or downwardly to a retracted transport position. When in retracted position, the telescopic mast section is foldable to transport position about a horizontal second pivotal axis which coincides with the axis about which the tower mast section structure folds to transport position. A unique hydraulic ram and chain arrangement provides vertical movement of the telescopic mast section and the attached elevating conveyor frame.

REFERENCES:
patent: 2632556 (1953-03-01), Alpers et al.
patent: 3208556 (1965-09-01), Shaffer
patent: 3372791 (1968-03-01), Kennedy
patent: 3444987 (1969-05-01), Palmer

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