Conveyors: fluid current – Having means for maintaining load in suspension along flow path
Patent
1993-12-10
1996-01-16
Pike, Andrew C.
Conveyors: fluid current
Having means for maintaining load in suspension along flow path
406 88, B65G 5102
Patent
active
054842379
ABSTRACT:
A pneumatic conveyor apparatus for conveying articles, such as empty aluminum cans and plastic bottles, includes first and second air ducts for supplying pneumatic pressure to move the articles along a predetermined path. The first and second air ducts each have a plurality of vents which direct the flow of air on the articles to move the articles along the path and to exert a lifting force on the articles as the articles are moved downstream. Guide plates extend along both sides of the predetermined path for supporting the articles in a generally upright position as the articles are moved along the path. The first and second air ducts each have a plurality of deflectors mounted therewith, which extend from the respective first and second air ducts into the predetermined path. The deflectors direct air flow upwardly and inwardly, thereby enhancing the pneumatic force urging the articles downstream. The direction of the conveyor path is changed by miter cutting the first and second air ducts at selected locations and joining the miter cut sections in end-to-end abutting relationship. The guide plates are each defined by alternating straight and curved guide plate sections, to effect the desired change in direction.
REFERENCES:
patent: 4732513 (1988-03-01), Lenhart
patent: 4848974 (1989-07-01), Wayt
patent: 5161919 (1992-11-01), Smith et al.
patent: 5222840 (1993-06-01), Ingraham et al.
McCord W. Kirk
Pike Andrew C.
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