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US 2002/0153287 A1Published application
Vibratory screening machine with stacked and staggered units
AssigneeDerrick Manufacturing Corporation
InventorThomas M. Fallon
Life of this patent
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AssigneeDerrick Manufacturing Corporation
InventorThomas M. Fallon
Estimating the term…
A vibratory screening machine including an outer frame, an inner frame resiliently mounted on the outer frame, a plurality of screening units mounted in stacked and staggered relationship on the inner frame, each of the screening units including a screen-supporting surface and a chamber underlying the screen-supporting surface and an outlet duct in communication with the chamber, an undersize trough underlying the plurality of stacked and staggered screening units, a plurality of inlet ducts in the undersize trough with each of the inlet conduits in communication with one of the outlet conduits, and an oversize trough underlying the undersize trough and the stacked and staggered screening units.
A vibratory screening machine comprising an outer frame, an inner frame mounted on said outer frame, a plurality of screening units mounted in stacked and staggered relationship on said inner frame, each of said screening units including a screen-supporting surface and a chamber underlying said screen-supporting surface and an outlet duct in communication with said chamber, an undersize trough underlying said plurality of stacked and staggered screening units, a plurality of inlet ducts in said undersize trough with each of said inlet conduits in communication with one of said outlet conduits, and an oversize trough underlying said undersize trough and said stacked and staggered screening units.
A vibratory screening machine comprising an outer frame, an inner frame mounted on said outer frame, and a plurality of modular screening units individually removable and remountable in stacked and staggered relationship on said inner frame.
Dependencies are inferred from the claim text.