Vibratory screening apparatus

Details Vibratory screening apparatus Vibratory screening apparatus

1992-12-10

1994-07-12

Gastineau, Cheryl L.

Classifying, separating, and assorting solids

Sifting

Elements

209367, B07B 144

Patent

active

053280369

ABSTRACT:
There is disclosed a vibratory screening apparatus comprising a frame having a pair of opposed screen frame sides, a multi-deck screen mounted on the frame sides, and a shaft-driven vibratory mechanism coupled with the screen in order to impart vibration energy thereto so as to assist the screening operation. The vibratory mechanism comprises a pair of stubshafts associated one with each of the frame sides. A respective pair of bearing housings support each stubshaft on each frame side. The bearing housings of each respective pair are spaced apart from each other, and a respective counterweight is mounted on each stubshaft in the space between the housings. The counterweights are rotatable with the stubshaft so as to apply vibration energy to the stubshaft, and therefrom to the screen via the bearing housings and the frame sides. Drive motors are coupled with each stubshaft and are arranged to be driven in synchronism in order to apply synchronous rotary motion to each stubshaft.

REFERENCES:
patent: 2964186 (1960-12-01), Ferrara
patent: 4632751 (1986-12-01), Johnson et al.

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