Classifying – separating – and assorting solids – Sifting – Combined type
Patent
1990-10-24
1993-02-02
Kashnikow, Andres
Classifying, separating, and assorting solids
Sifting
Combined type
371425, 209240, 209257, 209317, 209420, 405179, B07B 900
Patent
active
051831600
ABSTRACT:
A pipeline padding machine for use with a motorized carrier is mounted on a flat bed trailer adapted to be hitched to the carrier. Collector apparatus mounted beneath the screening apparatus receives the earth from a discharge at the bottom of the screening apparatus and conveys it to its discharge end which is located laterally of the carrier-trailer when the screening apparatus is in a transverse operational mode. A delivery apparatus pivotally mounted at a receiving end beneath the discharge end of the collector apparatus may in turn receive the earth discharged for delivery at greater distances from the screening apparatus. This delivery apparatus may be supported at its discharge end from the carrier or the trailer so that its discharge end may be located laterally of the carrier-trailer at a selected distance from the carrier-trailer within a variable range of distances. The screening apparatus preferably has two transverse operational modes so that undesirable objects and materials may be discharged to either side of the carrier-trailer depending on the mode selected. The collector apparatus is preferably reversible, so that relatively fine materials may be optionally discharged to either the same or the opposite side of the machine as the undesirable materials and objects. The delivery apparatus preferably is pivotally connectable beneath either end of the collector apparatus so that fine materials can be delivered to distant points from either side of the padding machine in either transverse operational mode and regardless of the direction of the collector apparatus.
REFERENCES:
patent: 2125007 (1938-07-01), Ossing
patent: 3624784 (1971-11-01), Larson et al.
patent: 4031976 (1977-06-01), Lambert
patent: 4363725 (1982-12-01), Morita et al.
patent: 4616957 (1986-10-01), Burrows et al.
patent: 4664791 (1987-05-01), McClain
patent: 4861461 (1989-08-01), Utterback
patent: 4923597 (1990-05-01), Anderson et al.
patent: 4983280 (1991-01-01), Eriksson
patent: 4998625 (1991-03-01), Read
Kashnikow Andres
Kaufman Joseph A.
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