Material or article handling – Device for emptying portable receptacle
Patent
1996-11-27
1997-12-02
Brahan, Thomas J.
Material or article handling
Device for emptying portable receptacle
222105, 2221812, 294 6821, B65G 6523
Patent
active
056928688
ABSTRACT:
A hanger for facilitating the unloading of loose material stored in bulk form in semi-rigid containers. The hanger includes a frame that is positioned over the container. The container is attached to the frame along its outer perimeter by a number of pivoting arms. The arms are biased so that in the absence of a counteracting force, they pivot inwardly towards the center of the container. When a loaded container is initially attached to the hanger, the arms hold it in a fully expanded state. As the container is emptied from a bottom opening, the weight of the container drops, allowing the biasing members to pivot the arms inwardly and upwardly. The inward movement of the arms results in the arms moving the outer perimeter of the bag inwardly and upwardly. Consequently, the lower portion of the container takes on a conical profile to facilitate the emptying of the contents from the container.
REFERENCES:
patent: 2858051 (1958-10-01), Cunningham
patent: 3179268 (1965-04-01), Hatch
patent: 4810156 (1989-03-01), Pendleton et al.
patent: 5320251 (1994-06-01), Ellis
patent: 5333757 (1994-08-01), Volk et al.
Brahan Thomas J.
National Bulk Equipment, Inc.
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