Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1989-01-30
1990-07-31
Valenza, Joseph E.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
198497, 198841, B65G 4500
Patent
active
049443844
ABSTRACT:
A material-conveying apparatus includes an endless belt supported for travel in a path extending around a pair of rollers. A pair of support plates extend beneath the lateral edges of the belt along an upper run of the belt each of the support plates including an opening extending therethrough which permits material passing incidentally between the belt and the support plate to pass to an area beneath the support plate. A pair of deflection plates are disposed beneath the support plates. The deflection plates each include an upper edge which is disposed beneath and between the lateral edges of the upper run of the belt and extend downward and laterally outward relative to the upper run of the belt to a lower edge which is disposed laterally outward of the edges of the belt, whereby the material passing through the openings is directed by the deflection plates to an area laterally displaced from the lower run of the belt. Additionally, or alternatively, a scraper is disposed between the upper and lower runs of the belt and includes a scraper edge which contacts the inwardly directed surface of the endless belt along the lower run. The scraper edge is angled so that material incidentally coming to rest on the inwardly directed surface of the belt along the lower run is directed laterally outward with respect to the path of travel of the belt. A belt support surface disposed vertically above the scraper rests in contact with the inwardly directed surface of the endless belt and is adapted to inhibit material on the upper run of the endless belt from falling onto the lower run of the belt at any position of the lower run which is downstream of the scraper edge.
REFERENCES:
patent: 1837276 (1931-12-01), Levin
patent: 2168622 (1939-08-01), Levin
patent: 4321996 (1982-03-01), Sancken et al.
Hay & Forage Industries
Valenza Joseph E.
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