Classifying – separating – and assorting solids – Sifting – Feeding
Patent
1980-07-25
1982-04-20
Halper, Robert
Classifying, separating, and assorting solids
Sifting
Feeding
209374, 119 1, B07B 104
Patent
active
043258220
ABSTRACT:
An animal waste collection and disposal device of the type which contains a litter material into which animal waste matter is deposited including a pair of opposed receptacles. Each of the receptacles has wall portions defining a litter-receiving chamber which is open over at least a portion of one major planar face of the receptacle, with the open portion of each receptacle being in facing relation to the open portion of the other receptacle. A screen member is positioned in interposed relation between the opposed receptacles. Tracks on the screen member slidably receive the receptacles to interlockingly detachably engage the receptacles with the screen member to permit inversion of the assembled receptacles to, in turn, transfilter the granular litter material through the screen. Abutment members limit the longitudinal sliding movement of the receptacles relative to the screen member to align the receptacles relative to the screen member and relative to each other.
REFERENCES:
patent: 789517 (1905-05-01), Williamson
patent: 1318289 (1919-10-01), Kemener
patent: 1586974 (1926-06-01), Devlin
patent: 1587221 (1926-06-01), Eckstein
patent: 2902165 (1959-09-01), Imershein
patent: 3233588 (1966-02-01), Thomas
patent: 3315417 (1967-04-01), Roberts
patent: 3485416 (1969-12-01), Fohrman
patent: 4096827 (1978-06-01), Cotter
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