MOVABLE SPIRAL-SCREWED SPINDLE Russian patent published in 2013 - IPC B65G65/46 

FIELD: transport.

SUBSTANCE: feeder is intended for unloading bulk materials from bins. The feeder is connected with engine and is mounted on barrow. Feeder casing ends with flange to be attached to bin. At the bottom of feeder there is fitting pipe for gravity-flowing pipe connecting. Actuating element is made as protruding from casing spiral screw with variable outer diameter evenly decreasing to its end with loop instead of the last wind.

EFFECT: higher evenness and lower energy consumption of unloading from bin, increase in durability of feeder.

3 dwg