Patent ID: 7789217

Claim:
A device for reducing dust emissions from material during transfer of said material from an upper conveyor to a lower conveyor comprising: a hopper for maintaining a predefined amount of said material therein while transferring said material to said lower conveyor, said hopper defining an opening for receiving an end of said upper conveyor and said material from said upper conveyor; a gate for controlling transfer of said material from said hopper to a chute, said gate being slidably attached to said hopper; said chute receiving said material from said hopper and transferring said material to said lower conveyor, said chute being disposed below said hopper and defining an opening along a lower portion of said chute; a choke for reducing airflow within said chute, said choke being disposed substantially within said opening of said chute and slidably attached to said chute; said choke reducing airflow within said chute; and said predefined amount of material in said hopper preventing airflow from said chute into said hopper.