Conveyors: power-driven – Conveyor section – Bucket
Patent
1982-01-25
1985-01-15
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Bucket
198706, B65G 1736
Patent
active
044934130
ABSTRACT:
A bucket conveyor assembly includes both a bucket endless conveyor and a cover endless conveyor, with the cover endless conveyor being located inside a horizontal section of the bucket endless conveyor. The cover endless conveyor is driven so that covers (40) mounted on its lower flight are superimposed with gaps (44) between buckets (24) mounted on the bucket conveyor at a loading zone (26). Material to be loaded into the buckets is gravity-fed between the top and bottom flights (36A and B) of both the bucket endless conveyor and the cover endless conveyor and dropped into bottom-flight buckets (24) through the bottom-flight covers (40). The covers have an unsymmetrical inverted V-shape, with the leading side (46) of the V being on a steeper angle than the trailing side (48) of the V. A bucket tipping bar (58) tilts each of the buckets forwardly while materials are still moving from the covers (40) into the buckets (24) and then a ramp (60) controls the rate at which the buckets return to their normal attitudes. One embodiment (FIG. 2) includes a double feed into the buckets from opposite sides of the conveyors. An angled bucket turning slab (66) impinges on upside-down buckets to upright the buckets, but maintains contact with the buckets during the turn to control the rate of turn.
REFERENCES:
patent: 618343 (1899-01-01), Haiss
patent: 658657 (1900-09-01), Le Grand
patent: 2426304 (1947-08-01), Hapman
patent: 2476039 (1949-07-01), Hapman
patent: 3795305 (1974-03-01), Sandvik
patent: 4051948 (1977-10-01), Sackett, Sr.
patent: 4221764 (1980-09-01), Saxon
Simplex Meyer Conveying Elevators, Bulletin 910H, May 1975, Meyer Machine Company, San Antonio, TX.
Universal Combination Elevator Conveyor-EL-CON, Universal Industries, Waterloo, IA, Bulletin EC-77-C.
Facts Dura-Buket the "SS" Super Strength Plastic Elevator Bucket, Dura-Buket Division-National Oats Company, Inc., Collinsville, IL.
Spar Robert J.
Williamson Dennis J.
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