Screening bucket

Details Screening bucket Screening bucket

1978-04-19

1979-06-12

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Discharging

209421, 414722, E02F 700, B07B 128

Patent

active

041579569

ABSTRACT:
A screening bucket characterized by a rear portion, and a front portion supported for pivotal displacement toward and away from the rear portion, a pair of hydraulic slave cylinders connected to the front portion for displacing it relative to the rear portion for establishing therebetween a closeable discharge opening, a deployable flexible screen for forming a perforated occlusion for the discharge opening comprising a web formed of a plurality of links defining a myriad of discharge openings through which contents of less than a selected screen size is discharged from the bucket, and a power driven reel for alternately taking-up and paying-out the web as the front portion of the bucket is displaced relative to the rear portion thereof.

REFERENCES:
patent: 1138679 (1915-05-01), Martin
patent: 1252390 (1918-01-01), Bremer
patent: 1675092 (1928-06-01), Cipriano
patent: 3003265 (1961-10-01), Lutjens
patent: 3072257 (1963-01-01), Hockenberry
patent: 3461968 (1969-08-01), Longley
patent: 3732980 (1973-05-01), Evers et al.
patent: 3765490 (1973-10-01), Logue

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