Modular screen system for screening deck

Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – By conveying randomly faced items and turning items to...

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198405, B07B 149

Patent

active

053460537

ABSTRACT:
A screening deck is shown and described including an intermediate frame structure mountable to the screening deck in a manner similar to that of an original screen component, but providing mounting formations for attachment of a plurality of screen modules thereon. The screening deck need not be modified in order to receive the intermediate frame. The intermediate frame may be applied to either a crowned screening deck or a flat screening deck. In the crowned configuration, the intermediate frame takes a form similar to the original screen, but includes mounting rails for receiving the screen modules. In the flat screening deck configuration, individual intermediate frame components mount along the longitudinal support beams and provide formations for mounting of screen components thereon. In each illustrated embodiment, individual screen components are mounted and dismounted without separate fastening elements and enjoy support along at least two edges thereof.

REFERENCES:
patent: 4670136 (1987-06-01), Schmidt et al.
patent: 4882044 (1989-11-01), Freissle
patent: 4885040 (1989-12-01), Wolff
patent: 5049262 (1991-09-01), Galton et al.
patent: 5112475 (1992-05-01), Henry, Jr.
patent: 5213217 (1993-05-01), Galton et al.
patent: 5248043 (1993-09-01), Dorn

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