Mobile screening apparatus

Details Mobile screening apparatus Mobile screening apparatus

1997-04-16

1999-07-13

Terrell, William E.

Classifying, separating, and assorting solids

Sifting

Plane sifters

209326, 209311, 2093665, 209421, B07B 128, B07B 134, B07B 144, B07B 149

Patent

active

059214015

ABSTRACT:
A mobile screening apparatus can be vibrated by two similarly-constructed vibration units that are mounted on or near the front and rear walls of the box that contains the vibrating screen assembly. Each vibration unit comprises an hydraulic motor having a stub drive shaft and a circular eccentric cam or weight carried on the shaft. The screen assembly has connections to the circular cams or weights, whereby motor rotation vibrates the screen assembly. The use of stub shafts eliminates whipping shaft motions associated with conventional elongated shafts spanning the screen assembly.

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patent: 4923597 (1990-05-01), Anderson et al.
patent: 5219078 (1993-06-01), Hadden
patent: 5232099 (1993-08-01), Maynard
patent: 5265730 (1993-11-01), Norrris et al.
patent: 5273164 (1993-12-01), Lyon
patent: 5328036 (1994-07-01), Douglas
patent: 5614094 (1997-03-01), Deister et al.

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