Classifying – separating – and assorting solids – Sifting – Feeding and discharging
Patent
1991-09-27
1993-11-09
Valenza, Joseph E.
Classifying, separating, and assorting solids
Sifting
Feeding and discharging
209371, 138120, 138173, 285 92, 285 16, 285226, B07B 100
Patent
active
052595110
ABSTRACT:
A dust seal connector for accommodating the relative movement between the enclosed, moving screen box of a screening machine, and a fixed particle inlet or outlet conduit connected to the screen box. The relative movement occurs as sliding motion between a suspended flat slide plate and a wear ring below the slide plate, with which the plate is facially engaged. The plate is connected upwardly by an enclosed particle passage to the conduit or box member from which it is suspended, and communicates downwardly with an opening in the ring for the flow of particles. In a preferred embodiment the particles flow through an axially compressed corrugated sleeve which connects the plate to the member from which it is suspended, compression of the sleeve biasing the ring and plate together to maintain a sliding dust seal between them. The sleeve is laterally stiff so as to limit movement of the plate relative to the member from which it is suspended, so that the plate slides over but does not follow the relatively moving ring to uncover the opening in the ring or impact against the suspending member.
REFERENCES:
patent: 2047713 (1936-07-01), Simpson
patent: 4251354 (1981-02-01), Lower
patent: 4319990 (1982-03-01), Muller
patent: 4659117 (1987-04-01), Holzhausen et al.
patent: 4814071 (1989-03-01), Lower
patent: 4899669 (1990-02-01), Dumbaugh
Nguyen Tuan N.
Rotex, Inc.
Valenza Joseph E.
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