SCREEN Russian patent published in 2004 - IPC

Abstract RU 2232651 C1

FIELD: fine screening of materials; screens provided with sieves movable in plane.

SUBSTANCE: proposed screen includes box with sieve and drive in form of crank whose axle and body are eccentrically mounted on hub of pulley provided with unbalanced mass adjustable in static moment. Seating surface of crank body on pulley hub is cylindrical in shape and eccentric relative to axis of rotation of pulley; unbalanced weight is mounted on pulley for smooth motion in radial and tangential directions and locking it in required position.

EFFECT: enhanced efficiency; independence on external factors.

2 dwg

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RU 2 232 651 C1

Authors

Vajsberg L.A.

Zarogatskij L.P.

Trofimov V.A.

Dates

2004-07-20—Published

2002-12-06—Filed