Classifying – separating – and assorting solids – Sifting – Special applications
Patent
1996-05-28
1997-07-01
Dayoan, D. Glenn
Classifying, separating, and assorting solids
Sifting
Special applications
209352, 119166, B07B 100, A01K 2900
Patent
active
056428146
ABSTRACT:
A litter separator including a container, an inclined baffle and a sieve, the separator being useful for removing unwanted animal waste from a reusable litter. A reusable litter containing particulate animal waste material is poured into the open top of the container. The particulate mixture being made of unwanted waste and litter is propelled under force of gravity, and the guidance provided by the inclined baffle toward the sieve which is pivotally affixed to the baffle. The sieve serves as a porous barrier covering a hole in the baffle and is held in position by gravity and the weight of the litter mass to be processed. The clumps of unwanted waste which are too large to pass through the porous sieve remain above the sieve and barrier in the upper portion of the container. The smaller litter passes through the sieve, free of contaminated clumped waste, and proceeds under the force of gravity through the opening in the baffle into the lower portion of the container below the sieve and baffle. Unwanted animal waste material in the upper portion of the container is removed for disposal by tilting the container away from the sieve and dumping the waste out. The reusable litter in the lower portion of the container is trapped behind the baffle and remains therein. The separator is then tilted in the direction of the sieve. The cleaned litter in the lower portion falls, under force of gravity, through the opening in the baffle toward and against the sieve which, being pivotally mounted, opens, emptying the waste-free litter into the litter box for reuse.
REFERENCES:
patent: 448818 (1891-03-01), Humphreys
patent: 471177 (1892-03-01), Humphreys
patent: 4190525 (1980-02-01), Menzel
patent: 4327667 (1982-05-01), Bilak
patent: 5076627 (1991-12-01), Simon
patent: 5226388 (1993-07-01), McDaniel
patent: 5267530 (1993-12-01), Zamoyski
patent: 5341763 (1994-08-01), Bondurant, III
Dayoan D. Glenn
Nguyen Tuan
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